How To Create and Run Bash Script on Debian 11.3
Bash is an acronym for “Bourne-Again Shell”. It is commonly used as a command-line interpreter for both UNIX and Linux. The BASH script contains a series of commands that will be executed while running the script. The bash script should also be commenced as #!/bin/bash.
For more explanation on this video: https://www.linuxhelp.com/how-to-create-and-run-bash-script-on-debian-11-3