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The Unix operating system was developed by Ken Thompson, Dennis Ritchie in 1970 at Bell Labs research center. It was created to be a stable, multi-user and multi-tasking system for desktops and servers.

Use a Virtual Machine to practice while learning

An interactive draggable virtual machine appears on top of every lesson based on availability. It will reset automatically as you navigate through the lessons. Hold and Drag the blue bar on the bottom to try it out!