Grep is a tool used to search for specified patterns within text input using regular expressions. Regular expressions are a system for describing complex text patterns. Regular expressions are a powerful tool that c...

The sed stream editor is a non-interactive line editor that can perform powerful editing operations on text streams or files. Learning to use sed well will allow you to transform text with great speed and flexibility.

Awk is a programming language and utility included in all Linux distributions that can be used to manipulate and process text files in a fine-grained manner. In this guide, we will discuss the basics of how to use aw...

Iterate through the files in a directory and run commands against them using shell scripting loops.

Download files from a remote server to your local system from the command-line using the curl command.

This tutorial will provide users who are new to terminal environments with the basics of using a command-line interface, providing a primer for understanding how to use Linux cloud servers.

Generate universally unique identifiers from the command-line using the uuidgen command.

The sed stream editor can be used to perform complex editing operations with a minimal amount of instruction. The automated nature of sed makes it perfect for use in scripts and background processing. This article w...

Learn how to track how long a command takes to execute from the command-line using the time command.