108 lines
3.1 KiB
Groff
108 lines
3.1 KiB
Groff
.\" $NetBSD: mount_ptyfs.8,v 1.12 2012/09/19 15:38:09 christos Exp $
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.\"
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.\"
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.\" Copyright (c) 2004 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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.\"
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.\" This code is derived from software contributed to The NetBSD Foundation
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.\" by Christos Zoulas.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd September 19, 2012
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.Dt MOUNT_PTYFS 8
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.Os
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.Sh NAME
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.Nm mount_ptyfs
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.Nd mount the /dev/pts file system
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.Sh SYNOPSIS
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.Nm
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.Op Fl g Ar group|gid
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.Op Fl m Ar mode
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.Op Fl o Ar options
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.Ar ptyfs
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.Ar mount_point
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.Sh DESCRIPTION
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The
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.Nm
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command attaches an instance of the pseudo-terminal device filesystem
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to the global filesystem namespace.
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The conventional mount point is
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.Pa /dev/pts .
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The directory specified by
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.Ar mount_point
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is converted to an absolute path before use.
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This command is normally executed by
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.Xr mount 8
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at boot time.
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.Pp
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The filesystem contains pseudo-terminal slave device nodes which are
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allocated dynamically via
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.Xr ptm 4 ,
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or they are already open via traditional BSD style ptys.
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.Pp
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The options are as follows:
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.Bl -tag -width indent
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.It Fl g Ar group|gid
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Specify the group ownership of the slave pseudo-tty.
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.It Fl m Ar mode
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Specify the default
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.Ar mode
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of the slave pseudo-tty.
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.It Fl o
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Options are specified with a
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.Fl o
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flag followed by a comma separated string of options.
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.Pp
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.Nm
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specific options are
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.Dv group
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which corresponds to
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.Fl g ,
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and
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.Dv mode
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which corresponds to
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.Fl m .
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See the
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.Xr mount 8
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man page for possible options and their meanings.
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.El
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.Sh FILES
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.Bl -tag -width n -compact
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.It Pa n
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The nth pseudo-terminal device in use.
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.El
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.Sh SEE ALSO
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.Xr mount 2 ,
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.Xr unmount 2 ,
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.Xr ptm 4 ,
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.Xr fstab 5 ,
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.Xr mount 8
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.Sh HISTORY
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The
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.Nm
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utility first appeared in
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.Nx 3.0 .
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.Sh BUGS
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When multiple instances are mounted, they all display the union of the ptys
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used in each instance, not just the ones used in the particular instance.
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