This month I am studying “Linux command-line tools essential training”
A month-long (two nights a week) class in how to use Awk, Sed, Grep, and a bunch of other Linux command-line tools. Each class is three hours long and concentrates on one or two specific command line tools each class. I am already pretty good with UNIX and Linux, I think. But I hope to learn stuff that will fill in obvious gaps in my knowledge.