Marc Santos is a Guides Staff Writer from the Philippines. He's a seasoned writer with over four years of industry experience, and he is an enjoyer of all things difficult in gaming. If Marc's not ...

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 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 ...

Log files. They're there for a reason -- to keep track of what goes on behind the velvet curtain of your operating system. When things go wrong, entries are added to those log files, so you can view ...

Posts from this topic will be added to your daily email digest and your homepage feed. Go retro with these powerful commands. Go retro with these powerful commands. Scratch the surface of Windows (and ...

Quick: If you shout "regular expressions" in a crowd of Linux users, what happens? Answer: Everyone will tell you the right way to use them, and every answer will be different. Regular expressions -- ...