10.5: An easy way to defragment a drive's free space

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10.5: An easy way to defragment a drive's free space
Authored by: pedz on Wed, Dec 19 2007 at 6:11AM PST

Its interesting that the "you don't need to defrag" article failed to mention the BSD file system. For the most part, as of BSD 4.2, a Unix file system rarely needs defragmenting. I've used Unix since '82 and never defragmented a file system.

A Fast File System for UNIX is an interesting read.

While HFS is not the BSD file system, I'd be surprised if it doesn't use the same concepts it developed.