fsck.minix <root
FSCK.MINIX(8)                         System Administration                         FSCK.MINIX(8)

NAME
       fsck.minix - check consistency of Minix filesystem

SYNOPSIS
       fsck.minix [options] device

DESCRIPTION
       fsck.minix performs a consistency check for the Linux MINIX filesystem.

       The  program  assumes  the  filesystem  is  quiescent.  fsck.minix should not be used on a
       mounted device unless you can be sure nobody is writing to it.  Remember that  the  kernel
       can write to device when it searches for files.

       The device name 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 filesystem was changed, i.e., repaired, then fsck.minix will print "FILE SYSTEM HAS
       CHANGED" and will sync(2) three times before exiting.  There is no need  to  reboot  after
       check.

WARNING
       fsck.minix  should  not  be  used  on a mounted filesystem.  Using fsck.minix 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
       fsck.minix on a mounted filesystem, such as the root  filesystem,  make  sure  nothing  is
       writing to the disk, and that no files are "zombies" waiting for deletion.

OPTIONS
       -l, --list
              List all filenames.

       -r, --repair
              Perform interactive repairs.

       -a, --auto
              Perform  automatic  repairs.  This option implies --repair and serves to answer all
              of the questions asked with the default.  Note that this can be extremely dangerous
              in the case of extensive filesystem damage.

       -v, --verbose
              Be verbose.

       -s, --super
              Output super-block information.

       -m, --uncleared
              Activate MINIX-like "mode not cleared" warnings.

       -f, --force
              Force  a  filesystem  check even if the filesystem was marked as valid.  Marking is
              done by the kernel when the filesystem is unmounted.

       -V, --version
              Display version information and exit.

       -h, --help
              Display help text and exit.

DIAGNOSTICS
       There are numerous diagnostic messages.  The ones mentioned here  are  the  most  commonly
       seen in normal usage.

       If  the device does not exist, fsck.minix will print "unable to read super block".  If the
       device exists, but is not a MINIX filesystem, fsck.minix will print "bad magic  number  in
       super-block".

EXIT CODES
       The exit code returned by fsck.minix is the sum of the following:

              0      No errors
              3      Filesystem  errors  corrected,  system  should be rebooted if filesystem was
                     mounted
              4      Filesystem errors left uncorrected
              7      Combination of exit codes 3 and 4
              8      Operational error
              16     Usage or syntax error

AUTHORS
       Linus Torvalds ⟨torvalds@cs.helsinki.fi⟩
       Error code values by Rik Faith ⟨faith@cs.unc.edu⟩
       Added support for filesystem valid flag: Dr. Wettstein ⟨greg%wind.uucp@plains.nodak.edu⟩.
       Check to prevent fsck of mounted filesystem added by  Daniel  Quinlan  ⟨quinlan@yggdrasil.
       com⟩.
       Minix  v2  fs support by Andreas Schwab ⟨schwab@issan.informatik.uni-dortmund.de⟩, updated
       by Nicolai Langfeldt ⟨janl@math.uio.no⟩.
       Portability patch by Russell King ⟨rmk@ecs.soton.ac.uk⟩.

SEE ALSO
       fsck(8), fsck.ext2(8), mkfs(8), mkfs.minix(8), mkfs.ext2(8), reboot(8)

AVAILABILITY
       The fsck.minix command is part of the util-linux  package  and  is  available  from  Linux
       Kernel Archive ⟨ftp://ftp.kernel.org/pub/linux/utils/util-linux/⟩.

util-linux                                  June 2015                               FSCK.MINIX(8)

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