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head/sbin/fsck_msdosfs/fsck_msdosfs.8
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| .\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | .\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||||
| .\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | .\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||||
| .\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | .\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||||
| .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | ||||
| .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||||
| .\" | .\" | ||||
| .\" $FreeBSD$ | .\" $FreeBSD$ | ||||
| .\" | .\" | ||||
| .Dd October 3, 2016 | .Dd January 6, 2020 | ||||
| .Dt FSCK_MSDOSFS 8 | .Dt FSCK_MSDOSFS 8 | ||||
| .Os | .Os | ||||
| .Sh NAME | .Sh NAME | ||||
| .Nm fsck_msdosfs | .Nm fsck_msdosfs | ||||
| .Nd DOS/Windows (FAT) file system consistency checker | .Nd DOS/Windows (FAT) file system consistency checker | ||||
| .Sh SYNOPSIS | .Sh SYNOPSIS | ||||
| .Nm | .Nm | ||||
| .Fl p | .Fl p | ||||
| .Op Fl Cf | .Op Fl Cf | ||||
| .Ar filesystem ... | .Ar filesystem ... | ||||
| .Nm | .Nm | ||||
| .Op Fl Cny | .Op Fl CMny | ||||
| .Ar filesystem ... | .Ar filesystem ... | ||||
| .Sh DESCRIPTION | .Sh DESCRIPTION | ||||
| The | The | ||||
| .Nm | .Nm | ||||
| utility verifies and repairs | utility verifies and repairs | ||||
| .Tn FAT | .Tn FAT | ||||
| file systems (more commonly known | file systems (more commonly known | ||||
| as | as | ||||
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| option (skip check if clean), defined to no-op. | option (skip check if clean), defined to no-op. | ||||
| .It Fl F | .It Fl F | ||||
| Compatibility with the wrapper | Compatibility with the wrapper | ||||
| .Xr fsck 8 | .Xr fsck 8 | ||||
| which seeks to determine whether the file system needs to be cleaned | which seeks to determine whether the file system needs to be cleaned | ||||
| immediately in foreground, or if its cleaning can be deferred to background. | immediately in foreground, or if its cleaning can be deferred to background. | ||||
| FAT (MS-DOS) file systems must always be cleaned in the foreground. | FAT (MS-DOS) file systems must always be cleaned in the foreground. | ||||
| A non-zero exit code is always returned for this option. | A non-zero exit code is always returned for this option. | ||||
| .It Fl M | |||||
| Causes | |||||
| .Nm | |||||
| to not use | |||||
| .Xr mmap 2 | |||||
| when checking a FAT32 file system. | |||||
| This option is mainly for debugging purposes and is not normally necessary. | |||||
| The | |||||
| .Nm | |||||
| utility will automatically fall back to use a simple LRU cache of 4 MiB | |||||
| when it failed to perform | |||||
| .Xr mmap 2 , | |||||
| or when | |||||
| .Fl M | |||||
| is specified. | |||||
| .It Fl f | .It Fl f | ||||
| Force | Force | ||||
| .Nm | .Nm | ||||
| to check | to check | ||||
| .Dq clean | .Dq clean | ||||
| file systems when preening. | file systems when preening. | ||||
| .It Fl n | .It Fl n | ||||
| Causes | Causes | ||||
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