You can get a lot of stuff done at the command line or with simple scripts by pipping commands into each other. The glue for this is invariably the bash shell and knowing just a little about how it works can enable you to do a lot of things.
Links
- Linux man pages online help pages.
- tldr.sh simplified
man-pages
. - commandline-fu.com useful collection of commands.
- Terminalizer - record your terminal sessions and create animated GIFs.