Unix Shell Programming -

Always use a ( #!/bin/bash ) to ensure the correct shell is used. Add comments ( # ) to explain complex logic.

Run chmod +x script.sh to grant execution permissions. Run the script: Execute with ./script.sh . 6. Best Practices for Shell Programming Unix Shell Programming

Used to store data. In shell, all variables are treated as strings. Example: name="John" ; echo $name (access variable with $ ). Control Structures: Always use a ( #

ls (list), cd (change directory), mkdir (create directory), mv (move/rename), rm (delete). cd (change directory)