NAS

Network Attached Storage http://en.wikipedia.org/wiki/Network-attached_storage

Back Up unit shared across multiple computers on a network.

Time Machine.

May'2013: a friend recommends Synology. The DS1513 is the one to get, but just came out and supply looks backordered; a 1512 or even 1511 (which is what I have, since I bought it >18 months ago) would work fine too.


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