![]() Without passing any option, grep can be used to search for a pattern in a file or group of files. In this article, we'll look at how to use grep with the options available as well as basic regular expressions to search files. Grep comes with a lot of options which allow us to perform various search-related actions on files. It is a command line tool used in UNIX and Linux systems to search a specified pattern in a file or group of files. Grep stands for Globally Search For Regular Expression and Print out.
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