UNIX_SHELL_testcases.txt

Normal Commands
===============
ls
ps
df
hostname

Commands with 1 options
=======================
ls -a
ps -al
mkdir *
rmdir *
touch *.txt
nano *.txt //Something wrong
hostname -I
ping www.*.com

Commands with multiple options
==============================
gcc main.c -o main.out
mv *.txt *.txt

Redirection
===========
echo hello
echo hello > new.txt
sort < words.txt
sort -r < words.txt

History
=======
!!

Pipes: //clunky fix
======
ls -l | less
ps- al | more
cat "filename" | less
cat "filename" | grep "word"

Corner Cases
===========
*Empty command*
Insert tabs and spaces inside command
Wrong Command
Wrong parameters
Redirect from empty file
Redirect to nonexisting file
Read from empty file