The everlastingly useful grep command can change its character with the flip of a switch to help you find things.

Linux/BSD command line wizardry: Learn to think in sed, awk, and grep "Do people really write these long, convoluted commands?" In a word: yes.

After jumping into the Ubuntu command line yesterday, today I decided to dive a little deeper and explore the 'man' and 'grep' commands more closely.

After a while you start both putting commands into scripts and typing one-off multi-line small programs just on the command line.