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Known by computer aficionados in the early 1990s as " sneaker net , " the use of floppies was a common method for moving files between machines prior to the widespread implementation of local area networks . The software also allows customers to spawn or create new virtual machines , boot the new machines , move applications between machines , pause and restart applications or servers , and shut applications or servers down , all via policies or , for Linux users , scripts , Grandinetti said . Ensure that you use a binary copy when moving files between machines . Internet TCP ports are used for connections between machines . Any technology must fill multiple purposes , which makes a device like a universal serial bus ( USB ) flash drive such an essential investment for any small business that 's moving data between machines , people , and locales . This research brings together several pieces of high-performance interconnection technology : bus backplanes for symmetric multiprocessors , low-latency networks for connections between machines , and simple , user-level primitives for communication . NFT moves files between machines with the help of a dedicated server that provides persistent , passwordless transfers with elaborate job tracking .