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MKFS(8)                                                                MKFS(8)



NAME
       mkfs - build a Linux file system

SYNOPSIS
       mkfs [-V] [-t fstype] [fs-options] filesys [blocks]

DESCRIPTION
       mkfs  is  used to build a Linux file system on a device, usually a hard disk parti-
       tion.  filesys is either the device name (e.g.  /dev/hda1, /dev/sdb2), or a regular
       file that shall contain the file system.  blocks is the number of blocks to be used
       for the file system.

       The exit code returned by mkfs is 0 on success and 1 on failure.

       In actuality, mkfs is simply a front-end  for  the  various  file  system  builders
       (mkfs.fstype)  available under Linux.  The file system-specific builder is searched
       for in a number of directories like perhaps /sbin, /sbin/fs,  /sbin/fs.d,  /etc/fs,
       /etc  (the  precise list is defined at compile time but at least contains /sbin and
       /sbin/fs), and finally in the directories listed in the PATH environment  variable.
       Please see the file system-specific builder manual pages for further details.

OPTIONS
       -V     Produce verbose output, including all file system-specific commands that are
              executed.  Specifying this option more than once inhibits execution  of  any
              file system-specific commands.  This is really only useful for testing.

       -t fstype
              Specifies  the  type  of  file  system  to  be built.  If not specified, the
              default file system type (currently ext2) is used.

       fs-options
              File system-specific options to be passed to the real file  system  builder.
              Although  not  guaranteed,  the following options are supported by most file
              system builders.

       -c     Check the device for bad blocks before building the file system.

       -l filename
              Read the bad blocks list from filename

       -v     Produce verbose output.

BUGS
       All generic options must precede and not  be  combined  with  file  system-specific
       options.   Some  file  system-specific  programs  do  not  support the -v (verbose)
       option, nor return meaningful exit codes.  Also, some file system-specific programs
       do  not automatically detect the device size and require the blocks parameter to be
       specified.

AUTHORS
       David Engel (david AT ods.com)
       Fred N. van Kempen (waltje AT uwalt.org)
       Ron Sommeling (sommel AT sci.nl)
       The manual page was shamelessly adapted from Remy Card's version for the ext2  file
       system.

SEE ALSO
       fs(5),  badblocks(8),  fsck(8),  mkdosfs(8),  mke2fs(8), mkfs.bfs(8), mkfs.ext2(8),
       mkfs.ext3(8),    mkfs.ext4(8),    mkfs.minix(8),    mkfs.msdos(8),    mkfs.vfat(8),
       mkfs.xfs(8), mkfs.xiafs(8)

AVAILABILITY
       The  mkfs  command  is  part  of  the  util-linux-ng  package and is available from
       ftp://ftp.kernel.org/pub/linux/utils/util-linux-ng/.



Version 1.9                        Jun 1995                            MKFS(8)

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