1.\" $OpenBSD: fsck_msdos.8,v 1.10 2000/11/09 17:52:56 aaron Exp $ 2.\" $NetBSD: fsck_msdos.8,v 1.4 1996/10/17 20:41:24 cgd Exp $ 3.\" 4.\" Copyright (C) 1995 Wolfgang Solfrank 5.\" Copyright (c) 1995 Martin Husemann 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 3. All advertising materials mentioning features or use of this software 16.\" must display the following acknowledgement: 17.\" This product includes software developed by Martin Husemann 18.\" and Wolfgang Solfrank. 19.\" 4. Neither the name of the University nor the names of its contributors 20.\" may be used to endorse or promote products derived from this software 21.\" without specific prior written permission. 22.\" 23.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 24.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26.\" IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 27.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 28.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 32.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33.\" 34.\" 35.Dd August 13, 1995 36.Dt FSCK_MSDOS 8 37.Os 38.Sh NAME 39.Nm fsck_msdos 40.Nd DOS/Windows (FAT) filesystem consistency checker 41.Sh SYNOPSIS 42.Nm fsck_msdos 43.Fl p 44.Op Fl f 45.Ar filesystem 46.Ar ... 47.Nm fsck_msdos 48.Op Fl fny 49.Ar filesystem 50.Ar ... 51.Sh DESCRIPTION 52The 53.Nm 54utility verifies and repairs 55.Tn FAT 56filesystems (more commonly known as 57.Tn DOS 58filesystems). 59.Pp 60The first form of 61.Nm 62preens the specified filesystems. 63It is normally started by 64.Xr fsck 8 65run from 66.Pa /etc/rc 67during automatic reboot, when a FAT filesystem is detected. 68When preening file systems, 69.Nm 70will fix common inconsistencies non-interactively. 71If more serious problems are found, 72.Nm 73does not try to fix them, indicates that it was not 74successful, and exits. 75.Pp 76The second form of 77.Nm 78checks the specified file systems and tries to repair all 79detected inconsistencies, requesting confirmation before 80making any changes. 81.Pp 82The options are as follows: 83.Bl -tag -width Ds 84.It Fl f 85This option is ignored by 86.Nm fsck_msdos , 87and is present only for compatibility with programs that 88check other file system types for consistency, such as 89.Xr fsck_ffs 8 . 90.It Fl n 91Causes 92.Nm 93to assume 94.Dq no 95as the answer to all operator 96questions, except 97.Dq CONTINUE? . 98.It Fl p 99Preen the specified filesystems. 100.It Fl y 101Causes 102.Nm 103to assume 104.Dq yes 105as the answer to all operator questions. 106.El 107.Sh SEE ALSO 108.Xr fsck 8 , 109.Xr fsck_ffs 8 , 110.Xr mount_msdos 8 111.Sh BUGS 112.Nm 113is still under construction. 114