That is definitely not OS-specific. On Mac: cmd+tab for app switching, cmd+’ window switching, cmd+q is quitting app and all other shortcuts like copy&paste us

That is definitely not OS-specific. On Mac: cmd+tab for app switching, cmd+’ window switching, cmd+q is quitting app and all other shortcuts like copy&paste use cmd as well. MS tried to introduce a similar scheme with Windows key when Win95 appeared, but they stopped halfway, and now there’s mess.