Linux Operating System: A Complete Linux Guide for Beginners - Uptime, Alias

The video tutorial covers the concept of server uptime, explaining how to check how long a server has been running. It then introduces the use of aliases in command-line interfaces, demonstrating how to create shortcuts for frequently used commands. The tutorial also explains how to remove these aliases using the 'unalias' command, providing a practical example of creating and removing an alias for the 'clear' command.

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