DUMPFS(8) - System Manager’s Manual # DUMPFS(8) - System Manager’s Manual
NAME # dumpfs - dump file system information
SYNOPSIS # dumpfs [-m] filesys | device
DESCRIPTION # dumpfs prints out the super block and cylinder group information for the file system or special device specified, unless -m is specified. The listing is very long and detailed.
dumpfs is useful mostly for finding out certain file system information such as the file system block size, minimum free space percentage, and the file system level that can be upgraded with the -c option of fsck_ffs(8).
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FSCK_MSDOS(8) - System Manager’s Manual # FSCK_MSDOS(8) - System Manager’s Manual
NAME # fsck_msdos - DOS/Windows (FAT) file system consistency checker
SYNOPSIS # fsck_msdos [-fnpy] filesystem
DESCRIPTION # The fsck_msdos utility verifies and repairs FAT file systems (more commonly known as DOS file systems). It checks the specified filesystem and tries to repair all detected inconsistencies, requesting confirmation before making any changes.
If the -p flag is given, fsck_msdos preens the specified filesystem.
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Newfs,
Scan_ffs,
Fsdb,
Rc,
Growfs,
Fsck_msdos,
Fstab,
Mount,
Fsck_ffs,
Fs,
Fsck_ext2fs,
Fsck FSCK(8) - System Manager’s Manual # FSCK(8) - System Manager’s Manual
NAME # fsck - file system consistency check and interactive repair
SYNOPSIS # fsck [-dfNnpvy] [-b block#] [-l maxparallel] [-T fstype:fsoptions] [-t fstype] [special | node …]
DESCRIPTION # The fsck command invokes file-system-specific programs to check the special devices listed in the fstab(5) file or on the command line for consistency.
It is normally used in the script rc(8) during automatic reboot.
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TUNEFS(8) - System Manager’s Manual # TUNEFS(8) - System Manager’s Manual
NAME # tunefs - tune up an existing file system
SYNOPSIS # tunefs [-AFN] [-e maxbpg] [-g avgfilesize] [-h avgfpdir] [-m minfree] [-o optimize_preference] special | filesys
DESCRIPTION # tunefs is designed to change the dynamic parameters of a file system which affect the layout policies.
The options are as follows:
-A
Cause the values to be updated in all the alternate superblocks instead of just the standard superblock.
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