Whenever you use a simple grep command to find a single word or phrase in a file, you run the risk of getting a lot of extra “stuff” you didn’t want to see. Grep for “not” and you get “nothing”, ...

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 ...

I stopped switching apps the day I learned to pipe commands.

You may find yourself in a situation where you remember the content of a file but not its name. Linux offers various commands to help you find files based on specific text strings within them. By ...

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 ...

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 ...

The grep command is a handy, reliable tool for searching for files or information. This tutorial illustrates 10 ways to take advantage of its power and flexibility. From the tutorial: Windows search ...

As a relatively isolated junior sysadmin, I remember seeing answers on Experts Exchange and later Stack Exchange that baffled me. Authors and commenters might chain 10 commands together with pipes and ...

These commands are essential when you're working with files and directories.