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dosfstools consists of the programs mkfs.fat, fsck.fat and fatlabel to create,
check and label file systems of the FAT family. The dosfstools are licensed
under the GNU GPL version 3 or later. See the file COPYING for details.

Build Requirements

dosfstools recommends libudev. It is used in mkfs.fat to collect additional
information about the device to format in order to refuse potentially unsafe
operations without additional confirmation.

The test suite requires the tool xxd (available as part of the vim
distribution).

Installing

dosfstools are built using an autoconf/automake system, so the standard method
applies:

./configure
make
make install

You need to have superuser privileges in order to install into the standard
system wide locations.

The ./configure script has an option --enable-compat-symlinks that will
configure the build to symlink older names of the tools to the current ones on
installation. These are dosfsck, fsck.msdos and fsck.vfat for fsck.fat,
mkdosfs, mkfs.msdos and mkfs.vfat for mkfs.fat and dosfslabel for
fatlabel.

Running the test suite

The test suite can be run with make check after configuring. Note that if
xxd isn't available, all tests will be skipped and nothing actually tested.

During the tests temporary files of multiple GB in size will be created, but the
actual data content is not more than a few MB. The operating system and the
filesystem the tests are executed on should support sparse files, otherwise the
tests will be resource intensive.

Building from the VCS repository

If you are working directly from a git clone of the official dosfstools
repository, you will find that you can not run ./configure straight away
because it, like other autogenerated files for the build system, is not included
in the repository.

First, autoconf and automake have to be installed. Then you can run autoreconf -i to generate all the required files.