Section: Maintenance Commands (8)
Updated: Jun 1995
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mkfs - build a Linux file system
is used to build a Linux file system on a device, usually
a hard disk partition.
is either the device name (e.g.
or the mount point (e.g.
for the file system.
is the number of blocks to be used for the file system.
The exit code returned by
is 0 on success and 1 on failure.
is simply a front-end for the various file system builders
available under Linux.
The file system-specific builder is searched for in a number
of directories like perhaps
(the precise list is defined at compile time but at least
and finally in the directories
listed in the PATH environment variable.
Please see the file system-specific builder manual pages for
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.
File system-specific options to be passed to the real file
Although not guaranteed, the following options are supported
by most file system builders.
Check the device for bad blocks before building the file system.
- -l filename
Read the bad blocks list from
Produce verbose output.
All generic options must precede and not be combined with
file system-specific options.
Some file system-specific programs do not support the
(verbose) option, nor return meaningful exit codes.
Also, some file system-specific programs do not automatically
detect the device size and require the
parameter to be specified.
David Engel (email@example.com)
Fred N. van Kempen (firstname.lastname@example.org)
Ron Sommeling (email@example.com)
The manual page was shamelessly adapted from Remy Card's version
for the ext2 file system.
- SEE ALSO
linux.jgfs.net manual pages