With -w, grep will match “error” but skip things like “errors” or “terror.” The difference can be subtle, but when you’re trying to be precise, it matters a lot. I use this when I’m searching through ...

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 ...

As a relatively isolated junior sysadmin, I remember seeing answers on Experts Exchange and later Stack Exchange that baffled me. Authors and commenters might chain 10 commands together with pipes and ...

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 regarded as one of the most essential building blocks of command line automation. It is a search tool that can be used to perform basic text filtering and processing tasks on files ...