"This article covers two beneficial Linux tools, grep and sed.
If searching for or handling text, grep and sed can increase your
efficiency with Linux bash scripting and configuration files. We'll
learn how to use these commands and get some helpful tips, too.
"Need to find a single matching line in a 300 page script or a
large configuration file that you've customized? Don't have the
time to search line by line to find that single bug that is halting
your system when trying to start the service? You can search for a
string quickly using grep..."