It can. Bash is among the most portable scripting languages, allowing users to write their script on any Unix machine and run it on any other compatible Unix machine.

The most arcane shell commands and options are explained with plenty of examples. “Here” documents, a way to feed input to a script or command within the script itself, are explained thoroughly.

If you're not yet comfortable with writing scripts on Unix and Linux systems, this post might get you off to a healthy start.