I always struggle with this when installing a new version of Ubuntu, so I thought I'd post it here so I can find it myself easier next time I am currently on Ubuntu (Unity) 14.04 Trusty Tahr, but I was doing the same in 13.10 and 13.04. I simply don't like the default Unity alt-tab application switcher. It may work for a lot of people, but it just slows me down. For me it's faster to have a single