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A basic Linux command line simulator

Source Code


Linux is by far one of the most powerful, customizable, and privacy respecting operating systems on the planet. While many people say they want to switch to Linux, the one thing keeping them back is their fear of the command line. While the command line is fairly simple once you get used to it, it is very jarring to switch from a graphical interface to a text interface for certain tasks. While Linux does allow you to use the graphical interface in place of the command line, being familiar with the command line makes it much simpler to solve issues that arise, and makes it easier to fine tune your system exactly how you want it.

This is where Lix comes into play. Lix is a command line simulator designed to allow new users to familiarize themselves without having to fully install Linux. Whether Linux is installed in a virtual machine or on physical hardware, it's still intimidating to new users to have to install it. Lix allows newcomers to take it one step at a time, and start by learning the basics before fully jumping in.

Realistic Commands

The commands you use in Lix are identical to those found in Ubuntu, one of the most common Linux distributions.

Realistic Outputs

Just like the commands, the responses to them are very realistic as well. The responses have been copy and pasted directly from Ubuntu, and even have delays in certain places to simulate processing time.


Lix has almost no over-head, and is exponentially lighter to run than a full Linux distribution.


Lix is completely free to use, both free in monetary terms, as well as free as in freedom. Anyone is free to take a look at the code, and make any changes they want!

Command Line

Lix isn't a third party program that runs in it's own app. Lix runs right in the command line, so the experience is nearly identical to running full Linux!

Appropriate Placeholders

Some commands, like 'shutdown', require a multithreaded process to complete. Since Lix is single threaded appropriate measures have been put in place to make sure commands like this fail in a descriptive way, that make it clear that a command like this would work in real Linux.