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

Linux power users spend most of their time in the terminal. They don't repeat long commands, retype paths, and fix mistakes the hard way. Instead, the experienced Linux admins use some effective ...

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 ...