The grep command can search for and list Linux files based on strings you are looking for and add the context of surrounding text.

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

30 Days With Ubuntu Linux: Day 19 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’.

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.

Grep and diff are command line-based text analysis tools available in all Linux and Unix distributions. Both are designed to parse documents on a line-by-line basis.

But it's important to know that you can supercharge file management in Linux from the command line by employing the grep command. With regex and grep, you can search for patterns in text files ...

Incidentally, you can do a lot of these command-line exercises almost as succinctly with perl one-liners, which is one reason why perl was so popular among Unix-heads back in the days.

Grep and diff are command line-based text analysis tools available in all Linux and Unix distributions. Both are designed to parse documents on a line-by-line basis.