Introduction

Unix-like systems have the privilege of having the best command-line tools. They help us achieve many tasks making our work easier. While each command has a specific focus, with practice you'll be able to solve complex problems by combining two or more commands. Some frequently used commands are grep, awk, sed, and find.

Mastering the Unix/Linux command line is an art; you will get better at using it as you practice and gain experience. This chapter will introduce you to some of the most interesting and useful commands.