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| .\" Copyright (c) 2020 Gordon Bergling | |||||
| .\" | |||||
| .\" 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. | |||||
| .\" | |||||
| .\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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) | |||||
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| .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |||||
| .\" SUCH DAMAGE. | |||||
| .\" | |||||
| .\" $FreeBSD$ | |||||
| .\" | |||||
| .Dd April 27, 2020 | |||||
| .Dt UNIONFS 5 | |||||
| .Os | |||||
| .Sh NAME | |||||
| .Nm unionfs | |||||
| .Nd "UNION FS" | |||||
| .Sh SYNOPSIS | |||||
| To compile this driver into the kernel, | |||||
| place the following lines in your | |||||
| kernel configuration file: | |||||
| .Bd -ragged -offset indent | |||||
| .Cd "option UNIONFS" | |||||
| .Ed | |||||
| .Pp | |||||
| Alternatively, to load the driver as a | |||||
| module at boot time, place the following line in | |||||
| .Xr loader.conf 5 : | |||||
| .Bd -literal -offset indent | |||||
| unionfs_load="YES" | |||||
| .Ed | |||||
| .Sh DESCRIPTION | |||||
| The UNIONFS driver is an implementation of a stackable unification filesystem. | |||||
| .Sh SEE ALSO | |||||
| .Xr mount_unionfs 8 | |||||
| .Sh STANDARDS | |||||
| .Rs | |||||
| .%T Union mounts in 4.4BSD-Lite | |||||
| .%A J. S. Pendry | |||||
| .%A M. K. McKusick | |||||
| .%R Proceedings of the USENIX Technical Conference on UNIX and Advanced Computing Systems | |||||
| .%D December 1995 | |||||
| .Re | |||||
| .Pp | |||||
| .Rs | |||||
| .%T Jails: Confining the omnipotent root | |||||
| .%A P. H. Kamp | |||||
| .%A R. N. M. Watson | |||||
| .%R Proceedings of the Second International System Administration and Networking Conference (SANE2000) | |||||
| .%D May 2000 | |||||
| .Re | |||||
| .Sh HISTORY | |||||
| The | |||||
| .Nm | |||||
| device driver first appeared in | |||||
| .Fx 5.0 . | |||||
| .Sh AUTHORS | |||||
| The | |||||
| .Nm | |||||
| device driver was written by Jan-Simon Pendry for | |||||
| .Bx 4.4 | |||||
| and | |||||
| .An Masanori OZAWA Aq Mt ozawa@ongs.co.jp | |||||
| reimplemented the handling of the locking for | |||||
| .Fx 7.0 . | |||||
| The manual page was written by | |||||
| .An Gordon Bergling Aq Mt gbergling@gmail.com . | |||||
| .Sh BUGS | |||||
| Please see the | |||||
| .Xr mount_unionfs 8 | |||||
| manual page for a list of bugs regarding the | |||||
| .Nm | |||||
| filesystem. | |||||