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 ...

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”, ...

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 ...

It is. I've converted a few machines here in just the last few months, even one where the HD was so shot full of holes only the recovery partition made it onto the replacement SSD and I wound up ...

GUIs are great—we wouldn’t want to live without them. But if you’re a Mac or Linux user and you want to get the most out of your operating system (and your keystrokes), you owe it to yourself to get ...

I love chaining commands as much as anyone, and sed, awk, grep, and perl are some of my best friends. However, remember that, in *nix, each command runs in its own process, the resources required for ...