January 2003
Intermediate to advanced
480 pages
13h 22m
English
Content preview from UNIX Filesystems: Evolution, Design, and ImplementationBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Non-SVR4-Based Filesystem Architectures
Previous chapters have centered around the main evolutionary path that UNIX took from the early research editions through to System V Release 4, which involved the last major enhancements to the UNIX filesystem architecture.
While many different UNIX and UNIX-like vendors adopted the Sun VFS/vnode interface to one degree or another, their implementations differed in many other areas, most notably in how file I/O takes place. Some of the microkernel implementations offered new approaches to supporting UNIX-based filesystems.
This chapter describes the major different UNIX and UNIX-like operating systems from a filesystem perspective, showing the similarities and differences to the pre-VFS and post-VFS/vnode implementations.
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