.\" .\" Copyright (c) 2006 Craig Rodrigues .\" All rights reserved. .\" .\" Redistribution and use in source and binary forms, with or without .\" modification, are permitted provided that the following conditions .\" are met: .\" 1. Redistributions of source code must retain the above copyright .\" notice, this list of conditions and the following disclaimer. .\" 2. Redistributions in binary form must reproduce the above copyright .\" notice, this list of conditions and the following disclaimer in the .\" documentation and/or other materials provided with the distribution. .\" 3. The name of the author may not be used to endorse or promote products .\" derived from this software without specific prior written permission .\" .\" THIS DOCUMENTATION IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR .\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES .\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. .\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, .\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT .\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, .\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY .\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" .\" $FreeBSD: head/share/man/man5/ext2fs.5 294627 2016-01-23 12:25:24Z trasz $ .\" .Dd January 23, 2016 .Dt EXT2FS 5 .Os .Sh NAME .Nm ext2fs .Nd "ext2/ext3/ext4 file system" .Sh SYNOPSIS To link into the kernel: .Bd -ragged -offset indent .Cd "options EXT2FS" .Ed .Pp To load as a kernel loadable module: .Pp .Dl "kldload ext2fs" .Sh DESCRIPTION The .Nm driver will permit the .Fx kernel to access .Tn ext2 , .Tn ext3 , and .Tn ext4 file systems. The .Tn ext4 support is read-only. .Sh EXAMPLES To mount a .Nm volume located on .Pa /dev/ada1s1 : .Pp .Dl "mount -t ext2fs /dev/ada1s1 /mnt" .Sh SEE ALSO .Xr nmount 2 , .Xr unmount 2 , .Xr fstab 5 , .Xr mount 8 .Sh HISTORY The .Nm driver first appeared in .Fx 2.2 . .Sh AUTHORS .An -nosplit The .Nm kernel implementation was written by .An Godmar Back or modified by him using the CSRG sources. .Pp .An John Dyson and others in the .Fx Project made modifications. .Pp This manual page was written by .An Craig Rodrigues Aq Mt rodrigc@FreeBSD.org .