Always use a ( #!/bin/bash ) to ensure the correct shell is used. Add comments ( # ) to explain complex logic.
The first line of a script, e.g., #!/bin/bash , which specifies the interpreter to use. Unix Shell Programming
To make this write-up even more useful,g., automatic file backups, system cleanup)? Explain or advanced sed / awk usage? Provide a comparison between Bash and Zsh scripting? Always use a ( #