Section: Linux Programmer's Manual (8)Updated: 2 July 1996Local indexUp
fsck.minix - a file system consistency checker for Linux
performs a consistency check for the Linux MINIX filesystem. The current
version supports the 14 character and 30 character filename options.
assumes the file system is quiescent.
should not be used on a mounted device unless you can be sure nobody is
writing to it (and remember that the kernel can write to it when it
searches for files).
The device will usually have the following form:
/dev/hda[1-63] (IDE disk 1)
/dev/hdb[1-63] (IDE disk 2)
/dev/sda[1-15] (SCSI disk 1)
/dev/sdb[1-15] (SCSI disk 2)
If the file system was changed (i.e., repaired), then
will print "FILE SYSTEM HAS CHANGED" and will
three times before exiting. Since Linux does not currently have raw
devices, there is
need to reboot at this time.
be used on a mounted filesystem. Using
on a mounted filesystem is very dangerous, due to the possibility that
deleted files are still in use, and can seriously damage a perfectly good
filesystem! If you absolutely have to run
on a mounted filesystem (i.e., the root filesystem), make sure nothing is
writing to the disk, and that no files are "zombies" waiting for deletion.
Lists all filenames
Performs interactive repairs
Performs automatic repairs (this option implies
and serves to answer all of the questions asked with the default. Note
that this can be extremely dangerous in the case of extensive file system
Outputs super-block information
Activates MINIX-like "mode not cleared" warnings
Force file system check even if the file system was marked as valid (this
marking is done by the kernel when the file system is unmounted).