The everlastingly useful grep command can change its character with the flip of a switch to help you find things. The grep command – likely one of the first ten commands that every Unix user comes to ...

Carrying over from yesterday’s examination of the Ubuntu command line, today’s installment of 30 Days With Ubuntu Linux is dedicated to ‘man’ and ‘grep’. These commands wield significant power, and ...

grep is a command-line utility for searching plain-text data sets for lines that match a regular expression. Created in the early days of Unix, it has become a cornerstone of text processing in Linux ...

Wow. It’s amazing we ever made it out of the 20th century. It’s like reading about farmers who would plow by hand. I remember the epiphany (long time ago) of discovering how awk solved my problem of ...

I've used command lines at the prompt, but I never, ever trust someone who makes a big show of typing them from memory. For every time they get it right, they screw something up in their pointless ...