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McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
SFS(1) (Self-certifying File System) A global, network file system sponsored by DARPA that runs under Unix. Providing strong security in an untrusted environment, it enables any client to access any server that supports it. By accessing servers using a "self-certifying path name" that contains a hash of the server's public key, an illegal compromise of one server does not enable the cracker to gain access to others.
(2) (Stepless Frequency Selection) The ability to adjust the clock rate of a CPU chip in 1 MHz increments over a specified range. SFS enables the user to overclock the CPU. The term may also refer to earlier frequency adjustment capabilities in analog devices.
(3) (Secure File System) Software for DOS and Windows that encrypts the disk at the sector level. Compatible with numerous disk utilities, SFS volumes can be quickly converted back to normal DOS volumes.
(4) (Speech Filing System) A computing environment for speech research developed by Mark Huckvale and the University College London. Running under DOS, Windows and Unix, SFS provides a proprietary audio format that stores processing history, but imports and exports popular audio formats.
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