Category: Tutorials

Tutorial

Difference Between Login and Non-Login Shell in Linux

Learn about the key differences between login and non-login shells in Linux, how they are initiated, and what impact they have on the environment settings for users.

Published: June 14, 2024 By Samuel Yang

Tutorial

mail Command on Ubuntu 22.04

Learn how to use the mail command on Ubuntu 22.04 with this detailed guide. Includes examples and usage tips to help you master email management from the command line.

Published: June 13, 2024 By Samuel Yang

Tutorial

Linux signals are a fundamental feature of the Linux operating system that allow processes to communicate with each other. This article explains how signals work in Linux and how they can be utilized.

Published: June 11, 2024 By Samuel Yang

Tutorial

Exit Codes In Bash Scripting

Learn about exit codes in Bash scripts, including a comprehensive list of common exit codes and their meanings to help you troubleshoot and debug your bash scripts effectively.

Published: June 11, 2024 By Samuel Yang

Tutorial

Manage Multiple Versions of Packages with update-alternatives Command on Ubuntu 22.04

Learn how to effectively manage multiple versions of packages using the update-alternatives command in Ubuntu 22.04. This command allows you to easily switch between different versions of software packages on your system.

Published: June 10, 2024 By Samuel Yang