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JFS (file system)
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=== Compression === [[Data compression|Compression]] is supported only in JFS1 on AIX and uses a variation of the [[LZ77 and LZ78|LZ algorithm]]. Because of high [[CPU usage]] and increased free space [[file system fragmentation|fragmentation]], compression is not recommended for use other than on a single user [[workstation]] or off-line [[backup]] areas.
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