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
Best Practice

Bash Special Variables

Learn how to properly use Bash predefined special variables such as CDPATH, HOME, IFS, OPTARG, OPTERR, OPTIND, PATH, MAIL, MAILCHECK, and MAILPATH with practical examples to enhance your shell scripting skills.

Published: June 13, 2024 By Samuel Yang
Best Practice

Bourne Shell Special Variables

Learn how to properly use Bourne Shell predefined special variables such as CDPATH, HOME, IFS, OPTARG, OPTERR, OPTIND, PATH, MAIL, MAILCHECK, and MAILPATH with practical examples to enhance your shell scripting skills.

Published: June 13, 2024 By Samuel Yang
Tutorial

Linux Signals

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

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