Here is the video version, if you prefer it:
Shell scripts are commands written in a file. (Ward, 2014) If you were to look at a shell script file, it would be composed of commands. Not everything would be a command though, but you would recognize commands.
So in a sense, we aren’t learning nothing new, but we will learn some things which appear in shell scripts and don’t appear outside them.
Ward, B. (2014). How Linux Works: What Every Superuser Should Know (2nd ed.). No Starch Press. Page 249
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