Here is the video version, if you prefer it:
Next up we have command pipelines, input/output redirection and regular expressions.
All of these are used quite frequently and are thus important to understand. A note on regular expressions: regular expressions might not seem very useful at the time, but if you invest the time to learn them it will pay off, as you can’t resolve regular expression mistakes using Google as easily as some other types of mistakes. The same holds for when you will be learning about input/output redirection and pipelines. You will have to use them at some point and if you don’t know how, it will be to your detriment.
So grit your teeth, read the words of Linux wisdom and go forth!
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