Mac is short for Macintosh, a brand of computers created and sold by Apple Inc. Apple currently produces several lines of Macintosh computers including the iMac, Mac mini, Mac Pro, MacBook Pro, MacBook Air and MacBook. All current Macs ship with Mac OS X. You can also install Windows or Linux ...
This is what the default OS X lock screen, (if you have it set to require password on wake from sleep etc.), looks like: By default it seems to only show the time in the top right-hand corner. It ...