With -w, grep will match “error” but skip things like “errors” or “terror.” The difference can be subtle, but when you’re ...

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 ...

Sudo lets you run any terminal command as another user — hence "substitute user" — but the default and most common use for it ...