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Linux and UNIX Man Pages

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Linux 2.6 - man page for mkfs (linux section 8)

MKFS(8) 						      System Manager's Manual							   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 partition. 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-spe- cific 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 sup- ported 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@ods.com) Fred N. van Kempen (waltje@uwalt.nl.mugnet.org) Ron Sommeling (sommel@sci.kun.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 package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux/. Version 1.9 Jun 1995 MKFS(8)

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