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 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 ...

Is prone to causing confusion for newbies since they are inevitably going to question what happens if the "empty file" does not exist, and what happens once the first command has written the output to ...