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14


NFS


Nightmare File System


The “N” in NFS stands for Not, or Need, or perhaps Nightmare.

—Henry Spencer

In the mid-1980s, Sun Microsystems developed a system for letting com-
puters share files over a network. Called the Network File System—or,
more often, NFS—this system was largely responsible for Sun’s success as
a computer manufacturer. NFS let Sun sell bargain-basement “diskless”
workstations that stored files on larger “file servers,” all made possible
through the magic of Xerox’s^1 Ethernet technology. When disks became
cheap enough, NFS still found favor because it made it easy for users to
share files.

Today the price of mass storage has dropped dramatically, yet NFS still
enjoys popularity: it lets people store their personal files in a single, central
location—the network file server—and access those files from anywhere
on the local network. NFS has evolved an elaborate mythology of its own:

(^1) Bet you didn’t know that Xerox holds the patent on Ethernet, did you?

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