Mute Sound, Mouse Acceleration and Primary Screen — Command Line Tips

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Last week I was approached by a colleague who wanted to have some customizations for his computer in his classroom. They were all things that you could adjust quite quickly in the system settings, but if you have to do that after every start, it’s annoying. So we needed a solution how to do these things from the command line, so that we could put the desired changes into a script, that is executed on login. So here are some quick command line tips.