Penguin

MKFS

MKFS

NAME SYNOPSIS DESCRIPTION OPTIONS BUGS AUTHORS SEE ALSO


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 the mount point (e.g. /, /usr, /home) for 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 enviroment 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@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.ext2__(8)?, mkfs.minix(8), __mkfs.msdos__(8)?, mkfs.xfs(8)?, __mkfs.xiafs__(8)?


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