Top Definition
Back to My Mac is a feature of Mac OS X 10.5 (Leopard) and Apple's .Mac service that allows the user to access and control another Mac running Leopard over the Internet from within the Finder.
Oh no, I forgot my incredibly important document on my Mac running OS X 10.5 Leopard at home! Good thing I have another Mac running OS X 10.5 Leopard at the office that lets me use the Back to My Mac (BTMM) feature of Apple's .Mac service to access and control all my Macs running OS X 10.5 Leopard right over the Internet!
by bcmartinez February 11, 2008
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