March 2000
Beginner to intermediate
672 pages
20h 8m
English
Content preview from The Multi-Boot Configuration Handbook
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Linux's ext2fs
Linux has gone through a string of native filesystems, starting with the Minix filesystem it borrowed from the older Minix UNIX clone OS, and then moving on to the Extended Filesystem (extfs) and the Xia Filesystem (xiafs), and finally settling on the Second Extended Filesystem (ext2fs). The internal design of ext2fs is heavily influenced by that of the UNIX FFS and resembles OS/2's HPFS. Like these filesystems, ext2fs uses a free block bitmap to indicate what space is free, and inodes to provide useful file information. Unlike HPFS, ext2fs uses an unsorted list for its directory structures. Like HPFS, ext2fs uses separate bands, each of which contains its own free space bitmap and inode bitmap. Major ext2fs features include the ...
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