October 2000
Intermediate to advanced
704 pages
18h 44m
English
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14.1. UFS Development History
The original version of UFS is derived from the Berkeley Fast File System (FFS) work from BSD Unix, architected by Kirk McKusick and Bill Joy in the late 1980s. The Berkeley FFS was the second major file system available for Unix and was a leap forward from the original System V file system. The System V file system was lightweight and simple but had significant shortcomings: poor performance, unreliability, and lack of functionality.
During the development of SunOS 2.0, a file-system-independent interface was introduced to provide support for concurrent, different file systems within an operating system instance. This interface, known today as the vnode/vfs interface, is the mechanism all file systems use to interface ...
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