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authorTheodore Ts'o <tytso@mit.edu>1997-04-26 13:21:57 +0000
committerTheodore Ts'o <tytso@mit.edu>1997-04-26 13:21:57 +0000
commit3839e65723771b85975f4263102dd3ceec4523c0 (patch)
tree02fde6f8259837e842e12bdc97bb9f92e4155b44 /e2fsck/e2fsck.8
downloade2fsprogs-3839e65723771b85975f4263102dd3ceec4523c0.tar.gz
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+.\" -*- nroff -*-
+.\" Copyright 1993, 1994 by Theodore Ts'o. All Rights Reserved.
+.\" This file may be copied under the terms of the GNU Public License.
+.\"
+.TH NEW-E2FSCK 8 "March 1994" "Version 0.5"
+.SH NAME
+e2fsck \- check a Linux second extended file system
+.SH SYNOPSIS
+.B e2fsck
+[
+.B \-panyrdfvtFV
+]
+[
+.B \-b
+.I superblock
+]
+[
+.B \-B
+.I blocksize
+]
+[
+.B \-l|-L
+.I bad_blocks_file
+]
+.I device
+.SH DESCRIPTION
+.B e2fsck
+is used to check a Linux second extended file system.
+.TP
+.I device
+is the special file corresponding to the device (e.g /dev/hdXX).
+.SH OPTIONS
+.TP
+.I -b superblock
+Instead of using the normal superblock, use the alternative superblock
+specified by
+.IR superblock .
+.TP
+.I -d
+Print debugging output (useless unless you are debugging
+.B e2fsck
+).
+.TP
+.I -f
+Force checking even if the file system seems clean.
+.TP
+.I -F
+Flush the filesystem device's buffer caches before beginning. Only
+really useful for doing e2fsck time trials.
+.TP
+.I -l filename
+Add the blocks listed in the file specified by
+.I filename
+to the list of bad blocks.
+.TP
+.I -L filename
+Set the bad blocks list to be the list of blocks specified by
+.IR filename .
+(This option is the same as the
+.I -l
+option, except the bad blocks list is cleared before the blocks listed
+in the file are added to the bad blocks list.)
+.TP
+.I -n
+Open the filesystem read-only, and assume an answer of ``no'' to all
+questions. Allows
+.B e2fsck
+to be used non-interactively. (Note: if the
+.I -l
+or
+.I -L
+options are specified in addition to the
+.I -n
+option, then the filesystem will be opened read-write, to permit the
+bad-blocks list to be updated. However, no other changes will be made
+to the filesystem.)
+.TP
+.I -p
+Automatically repair ("preen") the file system without any questions.
+The
+.I -a
+option is provided for backwards compatibility.
+.TP
+.I -t
+Print timing statistics for
+.BR e2fsck .
+If this option is used twice, additional timing statistics are printed
+on a pass by pass basis.
+.TP
+.I -v
+Verbose mode.
+.TP
+.I -V
+Print version information and exit.
+.TP
+.I -y
+Assume an answer of ``yes'' to all questions; allows
+.B e2fsck
+to be used non-interactively.
+.SH EXIT CODE
+The exit code returned by
+.B e2fsck
+is the sum of the following conditions:
+.br
+\ 0\ \-\ No errors
+.br
+\ 1\ \-\ File system errors corrected
+.br
+\ 2\ \-\ File system errors corrected, system should
+.br
+\ \ \ \ be rebooted if file system was mounted
+.br
+\ 4\ \-\ File system errors left uncorrected
+.br
+\ 8\ \-\ Operational error
+.br
+\ 16\ \-\ Usage or syntax error
+.br
+\ 128\ \-\ Shared library error
+.br
+.SH AUTHOR
+This version of
+.B e2fsck
+is written by Theodore Ts'o <tytso@mit.edu>.
+.SH SEE ALSO
+.BR mke2fs (8),
+.BR tune2fs (8)