1.\" $NetBSD: fsck_msdos.8,v 1.15 2008/06/13 20:46:09 martin Exp $ 2.\" 3.\" Copyright (C) 1995 Wolfgang Solfrank 4.\" Copyright (c) 1995 Martin Husemann 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 16.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18.\" IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 19.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25.\" 26.\" 27.Dd August 13, 1995 28.Dt FSCK_MSDOS 8 29.Os 30.Sh NAME 31.Nm fsck_msdos 32.Nd DOS/Windows (FAT) filesystem consistency checker 33.Sh SYNOPSIS 34.Nm 35.Fl p 36.Op Fl f 37.Ar filesystem ... 38.Nm 39.Op Fl fny 40.Ar filesystem ... 41.Sh DESCRIPTION 42The 43.Nm 44utility verifies and repairs 45.Tn FAT 46filesystems (more commonly known 47as 48.Tn DOS 49filesystems). 50.Pp 51The first form of 52.Nm 53preens the specified filesystems. 54It is normally started by 55.Xr fsck 8 56run from 57.Pa /etc/rc 58during automatic reboot, when a FAT filesystem is detected. 59When preening file systems, 60.Nm 61will fix common inconsistencies non-interactively. 62If more serious problems are found, 63.Nm 64does not try to fix them, indicates that it was not 65successful, and exits. 66.Pp 67The second form of 68.Nm 69checks the specified file systems and tries to repair all 70detected inconsistencies, requesting confirmation before 71making any changes. 72.Pp 73The options are as follows: 74.Bl -hang -offset indent 75.It Fl f 76This option is ignored by 77.Nm , 78and is present only for compatibility with programs that 79check other file system types for consistency, such as 80.Xr fsck_ffs 8 . 81.It Fl n 82Causes 83.Nm 84to assume no as the answer to all operator 85questions, except 86.Dq CONTINUE? . 87.It Fl p 88Preen the specified filesystems. 89.It Fl y 90Causes 91.Nm 92to assume yes as the answer to all operator questions. 93.El 94.Sh SEE ALSO 95.Xr fsck 8 , 96.Xr fsck_ffs 8 , 97.Xr mount_msdos 8 98.Sh BUGS 99.Nm 100is still under construction. 101