Use a text editor like vi or nano to create a file, e.g., script.sh .
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? Unix Shell Programming
Always use a ( #!/bin/bash ) to ensure the correct shell is used. Add comments ( # ) to explain complex logic. Use a text editor like vi or nano to create a file, e
The first line of a script, e.g., #!/bin/bash , which specifies the interpreter to use. automatic file backups
grep (search), sed (stream editor), awk (data manipulation), cat (view content), cut , sort .