diff --git a/._config.yml.swp b/._config.yml.swp
deleted file mode 100644
index 2f02c0c..0000000
Binary files a/._config.yml.swp and /dev/null differ
diff --git a/docs/linux/awk.md b/docs/linux/awk.md
index 1e3a443..533da74 100644
--- a/docs/linux/awk.md
+++ b/docs/linux/awk.md
@@ -1,7 +1,7 @@
 ---
 layout: default
 title: awk
-parent: SHELL
+parent: LINUX
 nav_order: 1
 last_modified_date: 2024-01-20
 ---
diff --git a/docs/linux/git.md b/docs/linux/git.md
index 2f3771e..bccc60d 100644
--- a/docs/linux/git.md
+++ b/docs/linux/git.md
@@ -1,7 +1,7 @@
 ---
 layout: default
 title: git
-parent: SHELL
+parent: LINUX
 nav_order: 2
 last_modified_date: 2021-03-03
 ---
diff --git a/docs/linux/grep.md b/docs/linux/grep.md
index 1109e2e..a38c409 100644
--- a/docs/linux/grep.md
+++ b/docs/linux/grep.md
@@ -1,6 +1,6 @@
 ---
 layout: default
 title: grep
-parent: SHELL
+parent: LINUX
 nav_order: 1
----
\ No newline at end of file
+---
diff --git a/docs/linux/oh-my-zsh.md b/docs/linux/oh-my-zsh.md
index 45af1cd..e95e3ad 100644
--- a/docs/linux/oh-my-zsh.md
+++ b/docs/linux/oh-my-zsh.md
@@ -1,7 +1,7 @@
 ---
 layout: default
 title: oh-my-zsh
-parent: SHELL
+parent: LINUX
 nav_order: 1
 ---
 
diff --git a/docs/linux/sed.md b/docs/linux/sed.md
index fa2ff9a..87f3f79 100644
--- a/docs/linux/sed.md
+++ b/docs/linux/sed.md
@@ -1,7 +1,7 @@
 ---
 layout: default
 title: sed
-parent: SHELL
+parent: LINUX
 nav_order: 3
 ---
 
diff --git a/docs/linux/vim-simple-config.rc.md b/docs/linux/vim-simple-config.rc.md
index 1270f7e..a762644 100644
--- a/docs/linux/vim-simple-config.rc.md
+++ b/docs/linux/vim-simple-config.rc.md
@@ -1,7 +1,7 @@
 ---
 layout: default
 title: vimrc
-parent: SHELL
+parent: LINUX
 nav_order: 1
 ---
 
diff --git a/test.txt b/test.txt
deleted file mode 100644
index e69de29..0000000