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 ...

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

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 ...

I used to be terrified of using the terminal, but as a Linux user, it's something you get accustomed to fairly quickly, and it's extremely helpful to know your way around. So, if you're new to Linux, ...