Introduction This page is mostly foundation information. It's kinda boring but essential stuff that will help you to appreciate why and how certain things behave the way they do once we start playing about with the fun stuff (which I promise we'll do in the next section). Taking the time to read and understand the material in this section will make the other sections easier to digest so persevere and it'll be well worth your time. What are they exactly ? Think of a script for a play, or a movie, or a TV show. The script tells the actors what they should say and do. A script for a computer tells the computer what it should do or say. In the context of Bash scripts we are telling the Bash shell what it should do. Bash is a name of the UNIX shell, which was also distributed as the shell for the GNU operating system and as the default shell on most Linux distros. Nearly all examples below can be a part of a shell script or executed directly in the shell. #!/usr/bin/env bash...
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