Using grep Command in Linux. The grep command is an essential tool for users who want to search for specific patterns or words in various files, directories, or even in other Linux command outputs.

Simplely doing cat to read log files is a basic way to inspect log files, but when you want to filter data in an organized way, like based on date, then grep, awk, and sed are the tools of the hour.

The grep command is a handy, reliable tool for searching for files or information. This tutorial illustrates 10 ways to take advantage of its power and flexibility. From the tutorial: ...