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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.
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.
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.
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.
Understanding the difference between Git merge and Git rebase is crucial for effective version control and collaboration. Learn the distinctions between these two essential Git commands.