diff --git a/README-fr.md b/README-fr.md
index ebd55b3..5932554 100644
--- a/README-fr.md
+++ b/README-fr.md
@@ -166,7 +166,7 @@ Options :
 Codes de sortie :
 0  OK
 1  Option invalide
-2  Aucune méthode d'élévation de privilège (sudo, doas ou run0) n'est installée
+2  Aucune commande d'élévation de privilège (sudo, doas ou run0) n'est installée ou celle définie dans le fichier de configuration `arch-update.conf` n'est pas disponible
 3  Erreur lors du lancement de l'applet systray d'Arch-Update
 4  L'utilisateur n'a pas donné la confirmation de procéder
 5  Erreur lors de la mise à jour des paquets
@@ -196,6 +196,7 @@ Les options prises en charge sont :
 - NewsNum=[Num] # Nombre de Arch news à affcher avant la mise à jour et avec l'option `-n/--news` (voir la page de manuel arch-update(1) pour plus de details). La valeur par défaut est 5.
 - KeepOldPackages=[Num] # Nombre d'anciennes versions de paquets à conserver dans le cache de pacman. La valeur par défaut est 3.
 - KeepUninstalledPackages=[Num] # Nombre de versions de paquets désinstallés à conserver dans le cache de pacman. La valeur par défaut est 0.
+- PrivilegeElevationCommand=[Cmd] # Commande à utiliser pour l'élévation de privilège. Les options valides sont `sudo`, `doas` ou `run0`. Si cette option n'est pas spécifiée, Arch-Update utilisera la première commande disponible dans l'odre suivant: `sudo`, `doas` puis `run0`.
 
 Les options sont sensibles à la casse, les majuscules doivent donc être respectées.
 ```
diff --git a/README.md b/README.md
index e4c02ba..e5db242 100644
--- a/README.md
+++ b/README.md
@@ -166,7 +166,7 @@ Options:
 Exit Codes:
 0  OK
 1  Invalid option
-2  No privilege elevation method (sudo, doas or run0) is installed
+2  No privilege elevation command (sudo, doas or run0) is installed or the one set in the `arch-update.conf` configuration file isn't found
 3  Error when launching the Arch-Update systray applet
 4  User didn't gave the confirmation to proceed
 5  Error when updating the packages
@@ -196,6 +196,7 @@ The supported options are:
 - NewsNum=[Num] # Number of Arch news to display before updating and with the `-n/--news` option (see the arch-update(1) man page for more details). Defaults to 5.
 - KeepOldPackages=[Num] # Number of old packages' versions to keep in pacman's cache. Defaults to 3.
 - KeepUninstalledPackages=[Num] # Number of uninstalled packages' versions to keep in pacman's cache. Defaults to 0.
+- PrivilegeElevationCommand=[Cmd] # Command to be used for privilege elevation. Valid options are `sudo`, `doas` or `run0`. If this option is not set, Arch-Update will use the first available command in the following order: `sudo`, `doas` then `run0`.
 
 Options are case sensitive, so capital letters have to be respected.
 ```
diff --git a/doc/man/arch-update.1 b/doc/man/arch-update.1
index 96ef736..4d2bb76 100644
--- a/doc/man/arch-update.1
+++ b/doc/man/arch-update.1
@@ -1,4 +1,4 @@
-.TH "ARCH-UPDATE" "1" "May 2024" "Arch-Update 2.0.2" "Arch-Update Manual"
+.TH "ARCH-UPDATE" "1" "June 2024" "Arch-Update 2.0.2" "Arch-Update Manual"
 
 .SH NAME
 arch-update \- An update notifier/applier for Arch Linux that assists you with important pre/post update tasks. 
@@ -185,7 +185,7 @@ Invalid option
 
 .TP
 .B 2
-No privilege elevation method (sudo, doas or run0) is installed
+No privilege elevation command (sudo, doas or run0) is installed or the one set in the arch-update.conf configuration file isn't found
 
 .TP
 .B 3
diff --git a/doc/man/arch-update.conf.5 b/doc/man/arch-update.conf.5
index 79328eb..fbd3bff 100644
--- a/doc/man/arch-update.conf.5
+++ b/doc/man/arch-update.conf.5
@@ -1,4 +1,4 @@
-.TH "ARCH-UPDATE.CONF" "5" "March 2024" "Arch-Update 2.0.2" "Arch-Update Manual"
+.TH "ARCH-UPDATE.CONF" "5" "June 2024" "Arch-Update 2.0.2" "Arch-Update Manual"
 
 .SH NAME
 arch-update.conf \- arch-update configuration file.
@@ -43,6 +43,10 @@ Number of old packages' versions to keep in pacman's cache. Defaults to 3.
 .B KeepUninstalledPackages=[Num]
 Number of uninstalled packages' versions to keep in pacman's cache. Defaults to 0.
 
+.TP
+.B PrivilegeElevationCommand=[Cmd]
+Command to be used for privilege elevation. Valid options are sudo, doas or run0. If this option is not set, Arch-Update will use the first available command in the following order: sudo, doas then run0.
+
 .SH SEE ALSO
 .BR arch-update (1)
 
diff --git a/doc/man/fr/arch-update.1 b/doc/man/fr/arch-update.1
index 988e33e..32bada8 100644
--- a/doc/man/fr/arch-update.1
+++ b/doc/man/fr/arch-update.1
@@ -1,4 +1,4 @@
-.TH "ARCH-UPDATE" "1" "Mai 2024" "Arch-Update 2.0.2" "Manuel de Arch-Update"
+.TH "ARCH-UPDATE" "1" "Juin 2024" "Arch-Update 2.0.2" "Manuel de Arch-Update"
 
 .SH NAME
 arch-update \- Un notificateur/applicateur de mises à jour pour Arch Linux qui vous assiste dans les tâches importantes d'avant/après mise à jour.
@@ -185,7 +185,7 @@ Option invalide
 
 .TP
 .B 2
-Aucune méthode d'élévation de privilège (sudo, doas ou run0) n'est installée
+Aucune commande d'élévation de privilège (sudo, doas ou run0) n'est installée ou celle définie dans le fichier de configuration arch-update.conf n'est pas disponible
 
 .TP
 .B 3
diff --git a/doc/man/fr/arch-update.conf.5 b/doc/man/fr/arch-update.conf.5
index bca5be6..47d4ae0 100644
--- a/doc/man/fr/arch-update.conf.5
+++ b/doc/man/fr/arch-update.conf.5
@@ -1,4 +1,4 @@
-.TH "ARCH-UPDATE.CONF" "5" "Mars 2024" "Arch-Update 2.0.2" "Manuel de Arch-Update"
+.TH "ARCH-UPDATE.CONF" "5" "Juin 2024" "Arch-Update 2.0.2" "Manuel de Arch-Update"
 
 .SH NAME
 arch-update.conf \- fichier de configuration pour arch-update.
@@ -43,6 +43,10 @@ Nombre d'anciennes versions de paquets à conserver dans le cache de pacman. La
 .B KeepUninstalledPackages=[Num]
 Nombre de versions de paquets désinstallés à conserver dans le cache de pacman. La valeur par défaut est 0.
 
+.TP
+.B PrivilegeElevationCommand=[Cmd]
+Commande à utiliser pour l'élévation de privilège. Les options valides sont sudo, doas ou run0. Si cette option n'est pas spécifiée, Arch-Update utilisera la première commande disponible dans l'odre suivant: sudo, doas puis run0.
+
 .SH VOIR AUSSI
 .BR arch-update (1)
 
diff --git a/po/arch-update.pot b/po/arch-update.pot
index cbf513f..b920b8b 100644
--- a/po/arch-update.pot
+++ b/po/arch-update.pot
@@ -16,47 +16,54 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 
-#: src/script/arch-update.sh:127
+#: src/script/arch-update.sh:131
 #, sh-format
 msgid "Press \"enter\" to continue "
 msgstr ""
 
-#: src/script/arch-update.sh:133
+#: src/script/arch-update.sh:137
 #, sh-format
 msgid "Press \"enter\" to quit "
 msgstr ""
 
-#: src/script/arch-update.sh:145
+#: src/script/arch-update.sh:150
 #, sh-format
-msgid "A privilege elevation method is required (sudo, doas or run0)\\n"
+msgid "A privilege elevation command is required (sudo, doas or run0)\\n"
 msgstr ""
 
-#: src/script/arch-update.sh:167
+#: src/script/arch-update.sh:155
+#, sh-format
+msgid ""
+"The ${su_cmd} command set for privilege escalation in the arch-update.conf "
+"configuration file is not found\\n"
+msgstr ""
+
+#: src/script/arch-update.sh:178
 #, sh-format
 msgid ""
 "An update notifier/applier for Arch Linux that assists you with important "
 "pre/post update tasks."
 msgstr ""
 
-#: src/script/arch-update.sh:169
+#: src/script/arch-update.sh:180
 #, sh-format
 msgid "Run ${name} to perform the main 'update' function:"
 msgstr ""
 
-#: src/script/arch-update.sh:170
+#: src/script/arch-update.sh:181
 #, sh-format
 msgid ""
 "Display the list of packages available for update, then ask for the user's "
 "confirmation to proceed with the installation."
 msgstr ""
 
-#: src/script/arch-update.sh:171
+#: src/script/arch-update.sh:182
 #, sh-format
 msgid ""
 "Before performing the update, offer to display the latest Arch Linux news."
 msgstr ""
 
-#: src/script/arch-update.sh:172
+#: src/script/arch-update.sh:183
 #, sh-format
 msgid ""
 "Post update, check for orphan/unused packages, old cached packages, pacnew/"
@@ -64,12 +71,12 @@ msgid ""
 "them."
 msgstr ""
 
-#: src/script/arch-update.sh:174
+#: src/script/arch-update.sh:185
 #, sh-format
 msgid "Options:"
 msgstr ""
 
-#: src/script/arch-update.sh:175
+#: src/script/arch-update.sh:186
 #, sh-format
 msgid ""
 "  -c, --check       Check for available updates, change the systray icon and "
@@ -77,388 +84,388 @@ msgid ""
 "there are new available updates compared to the last check)"
 msgstr ""
 
-#: src/script/arch-update.sh:176
+#: src/script/arch-update.sh:187
 #, sh-format
 msgid "  -l, --list        Display the list of pending updates"
 msgstr ""
 
-#: src/script/arch-update.sh:177
+#: src/script/arch-update.sh:188
 #, sh-format
 msgid "  -d, --devel       Include AUR development packages updates"
 msgstr ""
 
-#: src/script/arch-update.sh:178
+#: src/script/arch-update.sh:189
 #, sh-format
 msgid ""
 "  -n, --news [Num]  Display latest Arch news, you can optionally specify the "
 "number of Arch news to display with '--news [Num]' (e.g. '--news 10')"
 msgstr ""
 
-#: src/script/arch-update.sh:179
+#: src/script/arch-update.sh:190
 #, sh-format
 msgid "  -D, --debug       Display debug traces"
 msgstr ""
 
-#: src/script/arch-update.sh:180
+#: src/script/arch-update.sh:191
 #, sh-format
 msgid "  --gen-config      Generate a default/example configuration file"
 msgstr ""
 
-#: src/script/arch-update.sh:181
+#: src/script/arch-update.sh:192
 #, sh-format
 msgid "  --tray            Launch the Arch-Update systray applet"
 msgstr ""
 
-#: src/script/arch-update.sh:182
+#: src/script/arch-update.sh:193
 #, sh-format
 msgid "  -h, --help        Display this help message and exit"
 msgstr ""
 
-#: src/script/arch-update.sh:183
+#: src/script/arch-update.sh:194
 #, sh-format
 msgid "  -V, --version     Display version information and exit"
 msgstr ""
 
-#: src/script/arch-update.sh:185
+#: src/script/arch-update.sh:196
 #, sh-format
 msgid "For more information, see the ${name}(1) man page."
 msgstr ""
 
-#: src/script/arch-update.sh:186
+#: src/script/arch-update.sh:197
 #, sh-format
 msgid ""
 "Certain options can be enabled/disabled or modified via the ${name}.conf "
 "configuration file, see the ${name}.conf(5) man page."
 msgstr ""
 
-#: src/script/arch-update.sh:197
+#: src/script/arch-update.sh:208
 #, sh-format
 msgid ""
 "${name}: invalid option -- '${option}'\\nTry '${name} --help' for more "
 "information."
 msgstr ""
 
-#: src/script/arch-update.sh:237 src/script/arch-update.sh:239
+#: src/script/arch-update.sh:248 src/script/arch-update.sh:250
 #, sh-format
 msgid "${update_number} update available"
 msgstr ""
 
-#: src/script/arch-update.sh:244 src/script/arch-update.sh:246
+#: src/script/arch-update.sh:255 src/script/arch-update.sh:257
 #, sh-format
 msgid "${update_number} updates available"
 msgstr ""
 
-#: src/script/arch-update.sh:262
+#: src/script/arch-update.sh:273
 #, sh-format
 msgid "Looking for updates...\\n"
 msgstr ""
 
-#: src/script/arch-update.sh:283
+#: src/script/arch-update.sh:294
 #, sh-format
 msgid "Packages:"
 msgstr ""
 
-#: src/script/arch-update.sh:288
+#: src/script/arch-update.sh:299
 #, sh-format
 msgid "AUR Packages:"
 msgstr ""
 
-#: src/script/arch-update.sh:293
+#: src/script/arch-update.sh:304
 #, sh-format
 msgid "Flatpak Packages:"
 msgstr ""
 
-#: src/script/arch-update.sh:300
+#: src/script/arch-update.sh:311
 #, sh-format
 msgid "No update available\\n"
 msgstr ""
 
-#: src/script/arch-update.sh:307
+#: src/script/arch-update.sh:318
 #, sh-format
 msgid "Proceed with update? [Y/n]"
 msgstr ""
 
-#: src/script/arch-update.sh:310 src/script/arch-update.sh:447
-#: src/script/arch-update.sh:480 src/script/arch-update.sh:522
-#: src/script/arch-update.sh:589 src/script/arch-update.sh:615
+#: src/script/arch-update.sh:321 src/script/arch-update.sh:458
+#: src/script/arch-update.sh:491 src/script/arch-update.sh:533
+#: src/script/arch-update.sh:600 src/script/arch-update.sh:626
 #, sh-format
 msgid "Y"
 msgstr ""
 
-#: src/script/arch-update.sh:310 src/script/arch-update.sh:447
-#: src/script/arch-update.sh:480 src/script/arch-update.sh:522
-#: src/script/arch-update.sh:589 src/script/arch-update.sh:615
+#: src/script/arch-update.sh:321 src/script/arch-update.sh:458
+#: src/script/arch-update.sh:491 src/script/arch-update.sh:533
+#: src/script/arch-update.sh:600 src/script/arch-update.sh:626
 #, sh-format
 msgid "y"
 msgstr ""
 
-#: src/script/arch-update.sh:314
+#: src/script/arch-update.sh:325
 #, sh-format
 msgid "The update has been aborted\\n"
 msgstr ""
 
-#: src/script/arch-update.sh:345
+#: src/script/arch-update.sh:356
 #, sh-format
 msgid "Arch News:"
 msgstr ""
 
-#: src/script/arch-update.sh:350
+#: src/script/arch-update.sh:361
 #, sh-format
 msgid "[NEW]"
 msgstr ""
 
-#: src/script/arch-update.sh:361
+#: src/script/arch-update.sh:372
 #, sh-format
 msgid "Select the news to read (or just press \"enter\" to quit):"
 msgstr ""
 
-#: src/script/arch-update.sh:363
+#: src/script/arch-update.sh:374
 #, sh-format
 msgid ""
 "Select the news to read (or just press \"enter\" to proceed with update):"
 msgstr ""
 
-#: src/script/arch-update.sh:374
+#: src/script/arch-update.sh:385
 #, sh-format
 msgid "Title:"
 msgstr ""
 
-#: src/script/arch-update.sh:375
+#: src/script/arch-update.sh:386
 #, sh-format
 msgid "Author:"
 msgstr ""
 
-#: src/script/arch-update.sh:376
+#: src/script/arch-update.sh:387
 #, sh-format
 msgid "Publication date:"
 msgstr ""
 
-#: src/script/arch-update.sh:377
+#: src/script/arch-update.sh:388
 #, sh-format
 msgid "URL:"
 msgstr ""
 
-#: src/script/arch-update.sh:390
+#: src/script/arch-update.sh:401
 #, sh-format
 msgid "Updating Packages...\\n"
 msgstr ""
 
-#: src/script/arch-update.sh:395 src/script/arch-update.sh:407
-#: src/script/arch-update.sh:418
+#: src/script/arch-update.sh:406 src/script/arch-update.sh:418
+#: src/script/arch-update.sh:429
 #, sh-format
 msgid ""
 "An error has occurred during the update process\\nThe update has been "
 "aborted\\n"
 msgstr ""
 
-#: src/script/arch-update.sh:402
+#: src/script/arch-update.sh:413
 #, sh-format
 msgid "Updating AUR Packages...\\n"
 msgstr ""
 
-#: src/script/arch-update.sh:414
+#: src/script/arch-update.sh:425
 #, sh-format
 msgid "Updating Flatpak Packages...\\n"
 msgstr ""
 
-#: src/script/arch-update.sh:425
+#: src/script/arch-update.sh:436
 #, sh-format
 msgid "The update has been applied\\n"
 msgstr ""
 
-#: src/script/arch-update.sh:437
+#: src/script/arch-update.sh:448
 #, sh-format
 msgid "Orphan Packages:"
 msgstr ""
 
-#: src/script/arch-update.sh:441
+#: src/script/arch-update.sh:452
 #, sh-format
 msgid ""
 "Would you like to remove this orphan package (and its potential "
 "dependencies) now? [y/N]"
 msgstr ""
 
-#: src/script/arch-update.sh:443
+#: src/script/arch-update.sh:454
 #, sh-format
 msgid ""
 "Would you like to remove these orphan packages (and their potential "
 "dependencies) now? [y/N]"
 msgstr ""
 
-#: src/script/arch-update.sh:449
+#: src/script/arch-update.sh:460
 #, sh-format
 msgid "Removing Orphan Packages...\\n"
 msgstr ""
 
-#: src/script/arch-update.sh:453 src/script/arch-update.sh:486
-#: src/script/arch-update.sh:529 src/script/arch-update.sh:539
-#: src/script/arch-update.sh:549 src/script/arch-update.sh:558
+#: src/script/arch-update.sh:464 src/script/arch-update.sh:497
+#: src/script/arch-update.sh:540 src/script/arch-update.sh:550
+#: src/script/arch-update.sh:560 src/script/arch-update.sh:569
 #, sh-format
 msgid ""
 "An error has occurred during the removal process\\nThe removal has been "
 "aborted\\n"
 msgstr ""
 
-#: src/script/arch-update.sh:456 src/script/arch-update.sh:489
+#: src/script/arch-update.sh:467 src/script/arch-update.sh:500
 #, sh-format
 msgid "The removal has been applied\\n"
 msgstr ""
 
-#: src/script/arch-update.sh:461 src/script/arch-update.sh:493
-#: src/script/arch-update.sh:566
+#: src/script/arch-update.sh:472 src/script/arch-update.sh:504
+#: src/script/arch-update.sh:577
 #, sh-format
 msgid "The removal hasn't been applied\\n"
 msgstr ""
 
-#: src/script/arch-update.sh:465
+#: src/script/arch-update.sh:476
 #, sh-format
 msgid "No orphan package found\\n"
 msgstr ""
 
-#: src/script/arch-update.sh:470
+#: src/script/arch-update.sh:481
 #, sh-format
 msgid "Flatpak Unused Packages:"
 msgstr ""
 
-#: src/script/arch-update.sh:474
+#: src/script/arch-update.sh:485
 #, sh-format
 msgid "Would you like to remove this Flatpak unused package now? [y/N]"
 msgstr ""
 
-#: src/script/arch-update.sh:476
+#: src/script/arch-update.sh:487
 #, sh-format
 msgid "Would you like to remove these Flatpak unused packages now? [y/N]"
 msgstr ""
 
-#: src/script/arch-update.sh:482
+#: src/script/arch-update.sh:493
 #, sh-format
 msgid "Removing Flatpak Unused Packages..."
 msgstr ""
 
-#: src/script/arch-update.sh:497
+#: src/script/arch-update.sh:508
 #, sh-format
 msgid "No Flatpak unused package found\\n"
 msgstr ""
 
-#: src/script/arch-update.sh:514
+#: src/script/arch-update.sh:525
 #, sh-format
 msgid "Cached Packages:\\nThere's an old or uninstalled cached package\\n"
 msgstr ""
 
-#: src/script/arch-update.sh:515
+#: src/script/arch-update.sh:526
 #, sh-format
 msgid "Would you like to remove it from the cache now? [Y/n]"
 msgstr ""
 
-#: src/script/arch-update.sh:517
+#: src/script/arch-update.sh:528
 #, sh-format
 msgid "Cached Packages:\\nThere are old and/or uninstalled cached packages\\n"
 msgstr ""
 
-#: src/script/arch-update.sh:518
+#: src/script/arch-update.sh:529
 #, sh-format
 msgid "Would you like to remove them from the cache now? [Y/n]"
 msgstr ""
 
-#: src/script/arch-update.sh:525 src/script/arch-update.sh:545
+#: src/script/arch-update.sh:536 src/script/arch-update.sh:556
 #, sh-format
 msgid "Removing old cached packages..."
 msgstr ""
 
-#: src/script/arch-update.sh:535 src/script/arch-update.sh:554
+#: src/script/arch-update.sh:546 src/script/arch-update.sh:565
 #, sh-format
 msgid "Removing uninstalled cached packages..."
 msgstr ""
 
-#: src/script/arch-update.sh:570
+#: src/script/arch-update.sh:581
 #, sh-format
 msgid "No old or uninstalled cached package found\\n"
 msgstr ""
 
-#: src/script/arch-update.sh:579
+#: src/script/arch-update.sh:590
 #, sh-format
 msgid "Pacnew Files:"
 msgstr ""
 
-#: src/script/arch-update.sh:583
+#: src/script/arch-update.sh:594
 #, sh-format
 msgid "Would you like to process this file now? [Y/n]"
 msgstr ""
 
-#: src/script/arch-update.sh:585
+#: src/script/arch-update.sh:596
 #, sh-format
 msgid "Would you like to process these files now? [Y/n]"
 msgstr ""
 
-#: src/script/arch-update.sh:591
+#: src/script/arch-update.sh:602
 #, sh-format
 msgid "Processing Pacnew Files...\\n"
 msgstr ""
 
-#: src/script/arch-update.sh:595
+#: src/script/arch-update.sh:606
 #, sh-format
 msgid "The pacnew file(s) processing has been applied\\n"
 msgstr ""
 
-#: src/script/arch-update.sh:598
+#: src/script/arch-update.sh:609
 #, sh-format
 msgid "The pacnew file(s) processing hasn't been applied\\n"
 msgstr ""
 
-#: src/script/arch-update.sh:602
+#: src/script/arch-update.sh:613
 #, sh-format
 msgid "No pacnew file found\\n"
 msgstr ""
 
-#: src/script/arch-update.sh:611
+#: src/script/arch-update.sh:622
 #, sh-format
 msgid ""
 "Reboot required:\\nThere's a pending kernel update on your system requiring "
 "a reboot to be applied\\n"
 msgstr ""
 
-#: src/script/arch-update.sh:612
+#: src/script/arch-update.sh:623
 #, sh-format
 msgid "Would you like to reboot now? [y/N]"
 msgstr ""
 
-#: src/script/arch-update.sh:625
+#: src/script/arch-update.sh:636
 #, sh-format
 msgid "Rebooting in ${sec}...\\r"
 msgstr ""
 
-#: src/script/arch-update.sh:631
+#: src/script/arch-update.sh:642
 #, sh-format
 msgid ""
 "An error has occurred during the reboot process\\nThe reboot has been "
 "aborted\\n"
 msgstr ""
 
-#: src/script/arch-update.sh:639
+#: src/script/arch-update.sh:650
 #, sh-format
 msgid ""
 "The reboot hasn't been performed\\nPlease, consider rebooting to finalize "
 "the pending kernel update\\n"
 msgstr ""
 
-#: src/script/arch-update.sh:643
+#: src/script/arch-update.sh:654
 #, sh-format
 msgid "No pending kernel update found\\n"
 msgstr ""
 
-#: src/script/arch-update.sh:698
+#: src/script/arch-update.sh:709
 #, sh-format
 msgid "Example configuration file not found"
 msgstr ""
 
-#: src/script/arch-update.sh:703
+#: src/script/arch-update.sh:714
 #, sh-format
 msgid ""
 "The '${config_file}' configuration file already exists\\nPlease, remove it "
 "before generating a new one"
 msgstr ""
 
-#: src/script/arch-update.sh:708
+#: src/script/arch-update.sh:719
 #, sh-format
 msgid "The '${config_file}' configuration file has been generated"
 msgstr ""
diff --git a/po/fr.po b/po/fr.po
index 5b2a298..26c721e 100644
--- a/po/fr.po
+++ b/po/fr.po
@@ -16,22 +16,31 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 
-#: src/script/arch-update.sh:127
+#: src/script/arch-update.sh:131
 #, sh-format
 msgid "Press \"enter\" to continue "
 msgstr "Appuyez sur \"entrée\" pour continuer "
 
-#: src/script/arch-update.sh:133
+#: src/script/arch-update.sh:137
 #, sh-format
 msgid "Press \"enter\" to quit "
 msgstr "Appuyez sur \"entrée\" pour quitter "
 
-#: src/script/arch-update.sh:145
+#: src/script/arch-update.sh:150
 #, sh-format
-msgid "A privilege elevation method is required (sudo, doas or run0)\\n"
-msgstr "Une méthode d'élévation de privilège est requise (sudo, doas ou run0)\\n"
+msgid "A privilege elevation command is required (sudo, doas or run0)\\n"
+msgstr "Une commande d'élévation de privilège est requise (sudo, doas ou run0)\\n"
 
-#: src/script/arch-update.sh:167
+#: src/script/arch-update.sh:155
+#, sh-format
+msgid ""
+"The ${su_cmd} command set for privilege escalation in the arch-update.conf "
+"configuration file is not found\\n"
+msgstr ""
+"La command ${su_cmd} définie pour l'élévation de privilège dans le fichier "
+"de configuration arch-update.conf n'est pas disponible\\n"
+
+#: src/script/arch-update.sh:178
 #, sh-format
 msgid ""
 "An update notifier/applier for Arch Linux that assists you with important "
@@ -40,12 +49,12 @@ msgstr ""
 "Un notificateur/applicateur de mises à jour pour Arch Linux qui vous assiste dans les "
 "tâches importantes d'avant/après mise à jour."
 
-#: src/script/arch-update.sh:169
+#: src/script/arch-update.sh:180
 #, sh-format
 msgid "Run ${name} to perform the main 'update' function:"
 msgstr "Lancez ${name} pour exécuter la fonction principale 'update' :"
 
-#: src/script/arch-update.sh:170
+#: src/script/arch-update.sh:181
 #, sh-format
 msgid ""
 "Display the list of packages available for update, then ask for the user's "
@@ -54,14 +63,14 @@ msgstr ""
 "Afficher la liste des paquets disponibles pour mise à jour, puis demander la confirmation de l'utilisateur "
 "pour procéder à l'installation."
 
-#: src/script/arch-update.sh:171
+#: src/script/arch-update.sh:182
 #, sh-format
 msgid ""
 "Before performing the update, offer to display the latest Arch Linux news."
 msgstr ""
 "Avant d'effectuer la mise à jour, propose d'afficher les dernières news d'Arch Linux."
 
-#: src/script/arch-update.sh:172
+#: src/script/arch-update.sh:183
 #, sh-format
 msgid ""
 "Post update, check for orphan/unused packages, old cached packages, pacnew/"
@@ -72,12 +81,12 @@ msgstr ""
 "pacsave et de mise à jour du noyau en attente et, s'il y en a, "
 "propose de les traiter."
 
-#: src/script/arch-update.sh:174
+#: src/script/arch-update.sh:185
 #, sh-format
 msgid "Options:"
 msgstr "Options :"
 
-#: src/script/arch-update.sh:175
+#: src/script/arch-update.sh:186
 #, sh-format
 msgid ""
 "  -c, --check       Check for available updates, change the systray icon and "
@@ -88,17 +97,17 @@ msgstr ""
 "envoie une notification de bureau contenant le nombre de mises à jour disponibles (s'"
 "il y a des nouvelles mises à jour depuis le dernier check)"
 
-#: src/script/arch-update.sh:176
+#: src/script/arch-update.sh:187
 #, sh-format
 msgid "  -l, --list        Display the list of pending updates"
 msgstr "  -l, --list        Afficher les mises à jours en attente"
 
-#: src/script/arch-update.sh:177
+#: src/script/arch-update.sh:188
 #, sh-format
 msgid "  -d, --devel       Include AUR development packages updates"
 msgstr "  -d, --devel       Inclure les mises à jour des paquets de développement AUR"
 
-#: src/script/arch-update.sh:178
+#: src/script/arch-update.sh:189
 #, sh-format
 msgid ""
 "  -n, --news [Num]  Display latest Arch news, you can optionally specify the "
@@ -107,37 +116,37 @@ msgstr ""
 "  -n, --news [Num]  Afficher les dernières Arch news, vous pouvez optionellement spécifier le "
 "nombre de Arch news à afficher avec '--news [Num]' (e.g. '--news 10')"
 
-#: src/script/arch-update.sh:179
+#: src/script/arch-update.sh:190
 #, sh-format
 msgid "  -D, --debug       Display debug traces"
 msgstr "  -D, --debug       Afficher les traces de débogage"
 
-#: src/script/arch-update.sh:180
+#: src/script/arch-update.sh:191
 #, sh-format
 msgid "  --gen-config      Generate a default/example configuration file"
 msgstr "  --gen-config      Générer un fichier de configuration par défaut/exemple"
 
-#: src/script/arch-update.sh:181
+#: src/script/arch-update.sh:192
 #, sh-format
 msgid "  --tray            Launch the Arch-Update systray applet"
 msgstr "  --tray            Lancer l'applet systray d'Arch-Update"
 
-#: src/script/arch-update.sh:182
+#: src/script/arch-update.sh:193
 #, sh-format
 msgid "  -h, --help        Display this help message and exit"
 msgstr "  -h, --help        Afficher ce message d'aide et quitter"
 
-#: src/script/arch-update.sh:183
+#: src/script/arch-update.sh:194
 #, sh-format
 msgid "  -V, --version     Display version information and exit"
 msgstr "  -V, --version     Afficher les informations de version et quitter"
 
-#: src/script/arch-update.sh:185
+#: src/script/arch-update.sh:196
 #, sh-format
 msgid "For more information, see the ${name}(1) man page."
 msgstr "Pour plus d'informations, consultez la page de manuel ${name}(1)."
 
-#: src/script/arch-update.sh:186
+#: src/script/arch-update.sh:197
 #, sh-format
 msgid ""
 "Certain options can be enabled/disabled or modified via the ${name}.conf "
@@ -146,7 +155,7 @@ msgstr ""
 "Certaines options peuvent être activées/désactivées ou modifiées via le fichier de configuration ${name}.conf, "
 "voir la page de manuel ${name}.conf(5)."
 
-#: src/script/arch-update.sh:197
+#: src/script/arch-update.sh:208
 #, sh-format
 msgid ""
 "${name}: invalid option -- '${option}'\\nTry '${name} --help' for more "
@@ -155,114 +164,114 @@ msgstr ""
 "${name}: option invalide -- '${option}'\\nEssayez '${name} --help' pour plus "
 "d'informations."
 
-#: src/script/arch-update.sh:237 src/script/arch-update.sh:239
+#: src/script/arch-update.sh:248 src/script/arch-update.sh:250
 #, sh-format
 msgid "${update_number} update available"
 msgstr "${update_number} mise à jour disponible"
 
-#: src/script/arch-update.sh:244 src/script/arch-update.sh:246
+#: src/script/arch-update.sh:255 src/script/arch-update.sh:257
 #, sh-format
 msgid "${update_number} updates available"
 msgstr "${update_number} mises à jour disponibles"
 
-#: src/script/arch-update.sh:262
+#: src/script/arch-update.sh:273
 #, sh-format
 msgid "Looking for updates...\\n"
 msgstr "Recherche de mises à jour...\\n"
 
-#: src/script/arch-update.sh:283
+#: src/script/arch-update.sh:294
 #, sh-format
 msgid "Packages:"
 msgstr "Paquets :"
 
-#: src/script/arch-update.sh:288
+#: src/script/arch-update.sh:299
 #, sh-format
 msgid "AUR Packages:"
 msgstr "Paquets AUR :"
 
-#: src/script/arch-update.sh:293
+#: src/script/arch-update.sh:304
 #, sh-format
 msgid "Flatpak Packages:"
 msgstr "Paquets Flatpak :"
 
-#: src/script/arch-update.sh:300
+#: src/script/arch-update.sh:311
 #, sh-format
 msgid "No update available\\n"
 msgstr "Aucune mise à jour disponible\\n"
 
-#: src/script/arch-update.sh:307
+#: src/script/arch-update.sh:318
 #, sh-format
 msgid "Proceed with update? [Y/n]"
 msgstr "Procéder à la mise à jour ? [O/n]"
 
-#: src/script/arch-update.sh:310 src/script/arch-update.sh:447
-#: src/script/arch-update.sh:480 src/script/arch-update.sh:522
-#: src/script/arch-update.sh:589 src/script/arch-update.sh:615
+#: src/script/arch-update.sh:321 src/script/arch-update.sh:458
+#: src/script/arch-update.sh:491 src/script/arch-update.sh:533
+#: src/script/arch-update.sh:600 src/script/arch-update.sh:626
 #, sh-format
 msgid "Y"
 msgstr "O"
 
-#: src/script/arch-update.sh:310 src/script/arch-update.sh:447
-#: src/script/arch-update.sh:480 src/script/arch-update.sh:522
-#: src/script/arch-update.sh:589 src/script/arch-update.sh:615
+#: src/script/arch-update.sh:321 src/script/arch-update.sh:458
+#: src/script/arch-update.sh:491 src/script/arch-update.sh:533
+#: src/script/arch-update.sh:600 src/script/arch-update.sh:626
 #, sh-format
 msgid "y"
 msgstr "o"
 
-#: src/script/arch-update.sh:314
+#: src/script/arch-update.sh:325
 #, sh-format
 msgid "The update has been aborted\\n"
 msgstr "La mise à jour a été abandonnée\\n"
 
-#: src/script/arch-update.sh:345
+#: src/script/arch-update.sh:356
 #, sh-format
 msgid "Arch News:"
 msgstr "Arch News :"
 
-#: src/script/arch-update.sh:350
+#: src/script/arch-update.sh:361
 #, sh-format
 msgid "[NEW]"
 msgstr "[NOUVEAU]"
 
-#: src/script/arch-update.sh:361
+#: src/script/arch-update.sh:372
 #, sh-format
 msgid "Select the news to read (or just press \"enter\" to quit):"
 msgstr "Sélectionnez la news à lire (ou appuyez simplement sur \"entrée\" pour quitter) :"
 
-#: src/script/arch-update.sh:363
+#: src/script/arch-update.sh:374
 #, sh-format
 msgid ""
 "Select the news to read (or just press \"enter\" to proceed with update):"
 msgstr ""
 "Sélectionnez la news à lire (ou appuyez simplement sur \"entrée\" pour procéder à la mise à jour) :"
 
-#: src/script/arch-update.sh:374
+#: src/script/arch-update.sh:385
 #, sh-format
 msgid "Title:"
 msgstr "Titre :"
 
-#: src/script/arch-update.sh:375
+#: src/script/arch-update.sh:386
 #, sh-format
 msgid "Author:"
 msgstr "Auteur :"
 
-#: src/script/arch-update.sh:376
+#: src/script/arch-update.sh:387
 #, sh-format
 msgid "Publication date:"
 msgstr "Date de publication :"
 
-#: src/script/arch-update.sh:377
+#: src/script/arch-update.sh:388
 #, sh-format
 msgid "URL:"
 msgstr "URL :"
 
-#: src/script/arch-update.sh:390
+#: src/script/arch-update.sh:401
 #, sh-format
 msgid "Updating Packages...\\n"
 msgstr "Mise à jour des paquets...\\n"
 
-#: src/script/arch-update.sh:395 src/script/arch-update.sh:407
-#: src/script/arch-update.sh:418
+#: src/script/arch-update.sh:406 src/script/arch-update.sh:418
+#: src/script/arch-update.sh:429
 #, sh-format
 msgid ""
 "An error has occurred during the update process\\nThe update has been "
@@ -271,27 +280,27 @@ msgstr ""
 "Une erreur est survenue pendant le processus de mise à jour\\nLa mise à jour a été "
 "abandonnée\\n"
 
-#: src/script/arch-update.sh:402
+#: src/script/arch-update.sh:413
 #, sh-format
 msgid "Updating AUR Packages...\\n"
 msgstr "Mise à jour des paquets AUR...\\n"
 
-#: src/script/arch-update.sh:414
+#: src/script/arch-update.sh:425
 #, sh-format
 msgid "Updating Flatpak Packages...\\n"
 msgstr "Mise à jour des paquets Flatpak...\\n"
 
-#: src/script/arch-update.sh:425
+#: src/script/arch-update.sh:436
 #, sh-format
 msgid "The update has been applied\\n"
 msgstr "La mise à jour a été appliquée\\n"
 
-#: src/script/arch-update.sh:437
+#: src/script/arch-update.sh:448
 #, sh-format
 msgid "Orphan Packages:"
 msgstr "Paquets orphelins :"
 
-#: src/script/arch-update.sh:441
+#: src/script/arch-update.sh:452
 #, sh-format
 msgid ""
 "Would you like to remove this orphan package (and its potential "
@@ -300,7 +309,7 @@ msgstr ""
 "Voulez-vous supprimer ce paquet orphelin (et ses potentielles "
 "dépendances) maintenant ? [o/N]"
 
-#: src/script/arch-update.sh:443
+#: src/script/arch-update.sh:454
 #, sh-format
 msgid ""
 "Would you like to remove these orphan packages (and their potential "
@@ -309,14 +318,14 @@ msgstr ""
 "Voulez-vous supprimer ces paquets orphelins (et leurs potentielles "
 "dépendances) maintenant ? [o/N]"
 
-#: src/script/arch-update.sh:449
+#: src/script/arch-update.sh:460
 #, sh-format
 msgid "Removing Orphan Packages...\\n"
 msgstr "Suppression des paquets orphelins...\\n"
 
-#: src/script/arch-update.sh:453 src/script/arch-update.sh:486
-#: src/script/arch-update.sh:529 src/script/arch-update.sh:539
-#: src/script/arch-update.sh:549 src/script/arch-update.sh:558
+#: src/script/arch-update.sh:464 src/script/arch-update.sh:497
+#: src/script/arch-update.sh:540 src/script/arch-update.sh:550
+#: src/script/arch-update.sh:560 src/script/arch-update.sh:569
 #, sh-format
 msgid ""
 "An error has occurred during the removal process\\nThe removal has been "
@@ -325,118 +334,118 @@ msgstr ""
 "Une erreur est survenue pendant le processus de suppression\\nLa suppression a été "
 "abandonnée\\n"
 
-#: src/script/arch-update.sh:456 src/script/arch-update.sh:489
+#: src/script/arch-update.sh:467 src/script/arch-update.sh:500
 #, sh-format
 msgid "The removal has been applied\\n"
 msgstr "La suppression a été appliquée\\n"
 
-#: src/script/arch-update.sh:461 src/script/arch-update.sh:493
-#: src/script/arch-update.sh:566
+#: src/script/arch-update.sh:472 src/script/arch-update.sh:504
+#: src/script/arch-update.sh:577
 #, sh-format
 msgid "The removal hasn't been applied\\n"
 msgstr "La suppression n'a pas été appliquée\\n"
 
-#: src/script/arch-update.sh:465
+#: src/script/arch-update.sh:476
 #, sh-format
 msgid "No orphan package found\\n"
 msgstr "Aucun paquet orphelin n'a été trouvé\\n"
 
-#: src/script/arch-update.sh:470
+#: src/script/arch-update.sh:481
 #, sh-format
 msgid "Flatpak Unused Packages:"
 msgstr "Paquets Flatpak inutilisés :"
 
-#: src/script/arch-update.sh:474
+#: src/script/arch-update.sh:485
 #, sh-format
 msgid "Would you like to remove this Flatpak unused package now? [y/N]"
 msgstr "Voulez-vous supprimer ce paquet Flatpak inutilisé maintenant ? [o/N]"
 
-#: src/script/arch-update.sh:476
+#: src/script/arch-update.sh:487
 #, sh-format
 msgid "Would you like to remove these Flatpak unused packages now? [y/N]"
 msgstr "Voulez-vous supprimer ces paquets Flatpak inutilisés maintenant ? [o/N]"
 
-#: src/script/arch-update.sh:482
+#: src/script/arch-update.sh:493
 #, sh-format
 msgid "Removing Flatpak Unused Packages..."
 msgstr "Suppression des paquets Flatpak inutilisés..."
 
-#: src/script/arch-update.sh:497
+#: src/script/arch-update.sh:508
 #, sh-format
 msgid "No Flatpak unused package found\\n"
 msgstr "Aucun paquet Flatpak inutilisé n'a été trouvé\\n"
 
-#: src/script/arch-update.sh:514
+#: src/script/arch-update.sh:525
 #, sh-format
 msgid "Cached Packages:\\nThere's an old or uninstalled cached package\\n"
 msgstr "Paquets mis en cache :\\nIl y a un paquet ancien ou désinstallé mis en cache\\n"
 
-#: src/script/arch-update.sh:515
+#: src/script/arch-update.sh:526
 #, sh-format
 msgid "Would you like to remove it from the cache now? [Y/n]"
 msgstr "Voulez-vous le supprimer du cache maintenant ? [O/n]"
 
-#: src/script/arch-update.sh:517
+#: src/script/arch-update.sh:528
 #, sh-format
 msgid "Cached Packages:\\nThere are old and/or uninstalled cached packages\\n"
 msgstr "Paquets mis en cache :\\nIl y a plusieurs paquets anciens ou désinstallés mis en cache\\n"
 
-#: src/script/arch-update.sh:518
+#: src/script/arch-update.sh:529
 #, sh-format
 msgid "Would you like to remove them from the cache now? [Y/n]"
 msgstr "Voulez-vous les supprimer du cache maintenant ? [O/n]"
 
-#: src/script/arch-update.sh:525 src/script/arch-update.sh:545
+#: src/script/arch-update.sh:536 src/script/arch-update.sh:556
 #, sh-format
 msgid "Removing old cached packages..."
 msgstr "Suppression des anciens paquets mis en cache..."
 
-#: src/script/arch-update.sh:535 src/script/arch-update.sh:554
+#: src/script/arch-update.sh:546 src/script/arch-update.sh:565
 #, sh-format
 msgid "Removing uninstalled cached packages..."
 msgstr "Suppression des paquets désinstallés mis en cache..."
 
-#: src/script/arch-update.sh:570
+#: src/script/arch-update.sh:581
 #, sh-format
 msgid "No old or uninstalled cached package found\\n"
 msgstr "Aucun paquet ancien ou désinstallé mis en cache n'a été trouvé\\n"
 
-#: src/script/arch-update.sh:579
+#: src/script/arch-update.sh:590
 #, sh-format
 msgid "Pacnew Files:"
 msgstr "Fichiers Pacnew :"
 
-#: src/script/arch-update.sh:583
+#: src/script/arch-update.sh:594
 #, sh-format
 msgid "Would you like to process this file now? [Y/n]"
 msgstr "Voulez-vous traiter ce fichier maintenant ? [O/n]"
 
-#: src/script/arch-update.sh:585
+#: src/script/arch-update.sh:596
 #, sh-format
 msgid "Would you like to process these files now? [Y/n]"
 msgstr "Voulez-vous traiter ces fichiers maintenant ? [O/n]"
 
-#: src/script/arch-update.sh:591
+#: src/script/arch-update.sh:602
 #, sh-format
 msgid "Processing Pacnew Files...\\n"
 msgstr "Traitement des fichiers pacnew...\\n"
 
-#: src/script/arch-update.sh:595
+#: src/script/arch-update.sh:606
 #, sh-format
 msgid "The pacnew file(s) processing has been applied\\n"
 msgstr "Le traitement des fichiers pacnew a été appliqué\\n"
 
-#: src/script/arch-update.sh:598
+#: src/script/arch-update.sh:609
 #, sh-format
 msgid "The pacnew file(s) processing hasn't been applied\\n"
 msgstr "Le traitement des fichiers pacnew n'a pas été appliqué\\n"
 
-#: src/script/arch-update.sh:602
+#: src/script/arch-update.sh:613
 #, sh-format
 msgid "No pacnew file found\\n"
 msgstr "Aucun fichier pacnew n'a été trouvé\\n"
 
-#: src/script/arch-update.sh:611
+#: src/script/arch-update.sh:622
 #, sh-format
 msgid ""
 "Reboot required:\\nThere's a pending kernel update on your system requiring "
@@ -445,17 +454,17 @@ msgstr ""
 "Redémarrage nécessaire :\\nIl y a une mise à jour du noyau en attente sur votre système qui nécessite " 
 "un redémarrage pour être appliquée\\n"
 
-#: src/script/arch-update.sh:612
+#: src/script/arch-update.sh:623
 #, sh-format
 msgid "Would you like to reboot now? [y/N]"
 msgstr "Voulez-vous redémarrer votre système maintenant ? [o/N]"
 
-#: src/script/arch-update.sh:625
+#: src/script/arch-update.sh:636
 #, sh-format
 msgid "Rebooting in ${sec}...\\r"
 msgstr "Redémarrage dans ${sec}...\\r"
 
-#: src/script/arch-update.sh:631
+#: src/script/arch-update.sh:642
 #, sh-format
 msgid ""
 "An error has occurred during the reboot process\\nThe reboot has been "
@@ -464,7 +473,7 @@ msgstr ""
 "Une erreur est survenue pendant le processus de redémarrage\\nLe redémarrage a été "
 "abandonné\\n"
 
-#: src/script/arch-update.sh:639
+#: src/script/arch-update.sh:650
 #, sh-format
 msgid ""
 "The reboot hasn't been performed\\nPlease, consider rebooting to finalize "
@@ -473,17 +482,17 @@ msgstr ""
 "Le redémarrage n'a pas été effectué\\nVeuillez considérer redémarrer votre système pour finaliser "
 "la mise à jour du noyau en attente\\n"
 
-#: src/script/arch-update.sh:643
+#: src/script/arch-update.sh:654
 #, sh-format
 msgid "No pending kernel update found\\n"
 msgstr "Aucune mise à jour du noyau en attente n'a été trouvée\\n"
 
-#: src/script/arch-update.sh:698
+#: src/script/arch-update.sh:709
 #, sh-format
 msgid "Example configuration file not found"
 msgstr "Fichier de configuration exemple non trouvé"
 
-#: src/script/arch-update.sh:703
+#: src/script/arch-update.sh:714
 #, sh-format
 msgid ""
 "The '${config_file}' configuration file already exists\\nPlease, remove it "
@@ -492,7 +501,7 @@ msgstr ""
 "Le fichier de configuration '${config_file}' existe déjà.\\nVeuillez le supprimer "
 "avant d'en générer un nouveau"
 
-#: src/script/arch-update.sh:708
+#: src/script/arch-update.sh:719
 #, sh-format
 msgid "The '${config_file}' configuration file has been generated"
 msgstr "Le fichier de configuration '${config_file}' a été généré"
diff --git a/res/config/arch-update.conf.example b/res/config/arch-update.conf.example
index 1156544..ab19631 100644
--- a/res/config/arch-update.conf.example
+++ b/res/config/arch-update.conf.example
@@ -8,3 +8,4 @@
 #NewsNum=5
 #KeepOldPackages=3
 #KeepUninstalledPackages=0
+#PrivilegeElevationCommand=sudo
diff --git a/src/script/arch-update.sh b/src/script/arch-update.sh
index b27e661..505fd79 100755
--- a/src/script/arch-update.sh
+++ b/src/script/arch-update.sh
@@ -73,6 +73,10 @@ else
 	uninstalled_packages_num="0"
 fi
 
+if grep -Eq '^[[:space:]]*PrivilegeElevationCommand[[:space:]]*=[[:space:]]*(sudo|doas|run0)[[:space:]]*$' "${config_file}" 2> /dev/null; then
+	su_cmd=$(grep -E '^[[:space:]]*PrivilegeElevationCommand[[:space:]]*=[[:space:]]*(sudo|doas|run0)[[:space:]]*$' "${config_file}" 2> /dev/null | awk -F '=' '{print $2}' | tr -d '[:space:]')
+fi
+
 # Definition of the colors for the colorized output
 if [ -z "${no_color}" ]; then
 	bold="\e[1m"
@@ -134,16 +138,23 @@ quit_msg() {
 	read -n 1 -r -s -p $"$(info_msg "${msg}")" && echo
 }
 
-# Definition of the elevation method to use (depending on which one is installed on the system)
-if command -v sudo > /dev/null; then
-	su_cmd="sudo"
-elif command -v doas > /dev/null; then
-	su_cmd="doas"
-elif command -v run0 > /dev/null; then
-	su_cmd="run0"
+# Definition of the elevation command to use (depending on which one is installed on the system and if it's not already defined in arch-update.conf)
+if [ -z "${su_cmd}" ]; then
+	if command -v sudo > /dev/null; then
+		su_cmd="sudo"
+	elif command -v doas > /dev/null; then
+		su_cmd="doas"
+	elif command -v run0 > /dev/null; then
+		su_cmd="run0"
+	else
+		error_msg "$(eval_gettext "A privilege elevation command is required (sudo, doas or run0)\n")" && quit_msg
+		exit 2
+	fi
 else
-	error_msg "$(eval_gettext "A privilege elevation method is required (sudo, doas or run0)\n")" && quit_msg
-	exit 2
+	if ! command -v "${su_cmd}" > /dev/null; then
+		error_msg "$(eval_gettext "The \${su_cmd} command set for privilege escalation in the arch-update.conf configuration file is not found\n")" && quit_msg
+		exit 2
+	fi
 fi
 
 # Definition of the AUR helper to use (depending on if/which one is installed on the system) for the optional AUR packages support