Filter option is nice too, here's top `awk` commands: https://www.commandlinefu.com/commands/matching/awk/YXdr/sor... (expected removing duplicates to be #1 instead of #3)
There are comments too, but some are filled with spam.
See also:
* http://www.compciv.org/unix-tools/
* https://github.com/jlevy/the-art-of-command-line
* https://github.com/learnbyexample/scripting_course#ebooks (my books on grep/sed/awk/perl/ruby/coreutils/etc - free to read online)
2. They should mitigate these bots, because ultimately it will make the website annoying to visit.
In this case, "Command Line Fu" is meant to suggest that the command line is something you can practice to improve your skills with, analogous to a martial art. It's not meant to be pronounced "F you"—though I'm sure you're allowed to continue doing that if you find it amusing!
For example the second most popular one is to serve a directory and the alternatives show the Python3 way of doing it.
https://www.commandlinefu.com/commands/view/71/serve-current...
There's also `tar -cvf - | zip blah.zip -` with the idea that it's a poor man's way to parallelize the `tar` and `zip` processes but I don't think it makes a real difference in recent implementations of `tar`. At least in a couple of tests I've just run, it's just as fast.