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 ...

The simplest grep command looks like the one shown below. This “find string in file” command will show all the lines in the file that contain the string, even when that string is only part of a longer ...

You can check user groups in Linux with commands like groups, id, getent, and /etc/group to manage permissions easily.

It’s fast, it’s powerful, and its very name suggests that it does something technical: grep. With this workhorse of the command line, you can quickly find text hidden in your files. Understanding grep ...