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Understanding Linux PATH Environment Variable
Introduction Ever wondered how a Linux terminal magically finds commands like ls or cd without explicit instructions on their exact...

Chris
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Understanding the $SHELL Environment Variable in Unix and Linux
In Unix and Linux systems, the $SHELL environment variable indicates the parent shell that initiated your current session. This can be...

Chris
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How to use the 'cut' command in linux
The cut command in Linux is a powerful text-processing utility used to extract specific sections from each line of a file or from piped...

Chris
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Managing users and groups in Linux with the `useradd`, `usermod`, `passwd` and `userdel` commands
Creating users in a Linux system is a fundamental task required by system administrators and anyone managing a Linux server or a desktop...

Chris
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'doas': an alternative to 'sudo'
In Linux, managing user permissions and command execution is crucial for maintaining system stability and security. Many users are...

Chris
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How To Replace Text In Multiple Files Using A Bash Script In Linux
If you have many files with outdated information, updating them manually is time-consuming. Whether it's fixing outdated file paths,...

Chris
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