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Have you EVER heard of or used the tac command?

aside from grep, I also suggest knowing sed and awk
There's definitely no shortage of text tools on Linux. Tools like awk, sed, cut, paste, nl, etc. are lumped into next Thursday's TTT on the shell because they are often used alongside redirection, and they’re easier to introduce a bit later in the course, once students have some shell basics under their belt :)

Although not on Linux+, you can also install the bat command (e.g., dnf install bat), which is a nice alternative to cat/tac and more.

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