Don’t you just hate logging in and out of your computer? If you’re in a corporate setting, they sometimes have a time out feature to force the lock screen. If it’s set at a fast time interval, it can be super annoying. And if you work on stuff at home with the kids around and get distracted or have to attend to other issues – it sure would be nice to have the computer autolock. That will keep your proposal from having words in it like “kjhoi08dsfh.” Yeah, been there, done that. Here are some ways to use your cell phone to lock / unlock your computer – on Mac, linux, and Windows.