"Homebrew is the easiest and most flexible way to install the UNIX tools Apple didn't include with OS X."

RT @OReillySchool Deal of the Week: Linux/Unix System Admin Certificate Series all 4 courses 50% off through Friday.

rush is a replacement for the unix shell (bash, zsh, etc) which uses pure Ruby syntax. Grep through files, find and kill processes, copy files - everything you do in the shell, now in Ruby.

"...I didn't get until tonight that Twitter is 'wall' for the web."

Adopt 10 good habits that improve your UNIX® command line efficiency -- and break away from bad usage patterns in the process.

If there's nothing different about UNIX people, how come so many were liberal-arts majors? It's the love of words that makes UNIX stand out.