When it comes to scaling up your hacking and security skills, automation is the key. And what easier way to start than by learning some of the tools already built right into your terminal? On top of that, they're built to be chained together to start you off in writing your own shell scripts.
Basically, the better you are with command line tools, the faster you will be.
0:00 Intro
0:31 Core utilities
1:14 Target acquired
2:42 Tee
5:14 Reconnaissance
7:00 Loops for fun
8:09 Grep
9:27 Cut
11:25 Sort & Uniq
14:36 Sed
16:45 Awk
19:02 Xargs
23:22 Wrap up