215 lines
6.4 KiB
Groff
215 lines
6.4 KiB
Groff
.\" Copyright (c) 1983, 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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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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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)remote.5 8.1 (Berkeley) 6/5/93
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.\" $FreeBSD$
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.\"
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.Dd October 20, 2003
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.Dt REMOTE 5
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.Os
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.Sh NAME
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.Nm remote
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.Nd remote host description file
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.Sh DESCRIPTION
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The systems known by
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.Xr tip 1
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and their attributes are stored in an
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.Tn ASCII
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file which
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is structured somewhat like the
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.Xr termcap 5
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file.
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Each line in the file provides a description for a single
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.Em system .
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Fields are separated by a colon (``:'').
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Lines ending in a \e character with an immediately following newline are
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continued on the next line.
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.Pp
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The first entry is the name(s) of the host system.
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If there is more
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than one name for a system, the names are separated by vertical bars.
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After the name of the system comes the fields of the description.
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A field name followed by an `=' sign indicates a string value.
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A field name followed by a `#' sign indicates a numeric value.
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.Pp
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Entries named ``tip*'' and ``cu*'' are used as default entries by
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.Xr tip 1 ,
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and the
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.Xr cu 1
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interface to
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.Nm tip ,
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as follows.
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When
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.Nm tip
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is invoked with only a phone number, it looks for an entry
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of the form ``tip300'', where 300 is the data rate with
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which the connection is to be made.
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When the
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.Nm cu
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interface is used, entries of the form ``cu300'' are used.
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.Sh CAPABILITIES
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Capabilities are either strings (str), numbers (num), or boolean
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flags (bool).
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A string capability is specified by
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.Em capability Ns Ar = Ns Em value ;
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for example, ``dv=/dev/harris''.
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A numeric capability is specified by
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.Em capability Ns Ar # Ns Em value ;
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for example, ``xa#99''.
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A boolean capability is specified by simply listing the capability.
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.Bl -tag -width indent
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.It Cm \&at
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(str)
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Auto call unit type.
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.It Cm \&br
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(num)
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The data rate (bits per second) used for communications on the
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serial port.
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When a modem is used, the data rate used to communicate
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with the remote modem may be different than this rate.
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This is a decimal number.
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The default rate is 9600 bits per second.
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.It Cm \&cm
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(str)
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An initial connection message to be sent to the remote host.
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For example, if a host is reached through a port selector, this
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might be set to the appropriate sequence required to switch to the host.
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.It Cm \&cu
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(str)
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Call unit if making a phone call.
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Default is the same as the `dv' field.
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.It Cm \&di
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(str)
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Disconnect message sent to the host when a disconnect is requested by
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the user.
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.It Cm \&du
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(bool)
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This host is on a dial-up line.
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.It Cm \&dv
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(str)
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.Ux
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device(s) to open to establish a connection.
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If this file refers to a terminal line,
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.Xr tip 1
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attempts to perform an exclusive open on the device to ensure only
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one user at a time has access to the port.
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.It Cm \&el
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(str)
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Characters marking an end-of-line.
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The default is
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.Dv NULL .
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`~' escapes are only
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recognized by
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.Nm tip
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after one of the characters in `el', or after a carriage-return.
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.It Cm \&fs
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(str)
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Frame size for transfers.
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The default frame size is equal to
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.Dv BUFSIZ .
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.It Cm \&hd
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(bool)
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The host uses half-duplex communication, local echo should be performed.
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.It Cm \&ie
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(str)
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Input end-of-file marks.
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The default is
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.Dv NULL .
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.It Cm \&oe
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(str)
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Output end-of-file string.
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The default is
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.Dv NULL .
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When
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.Nm tip
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is transferring a file, this
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string is sent at end-of-file.
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.It Cm \&pa
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(str)
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The type of parity to use when sending data
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to the host.
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This may be one of ``even'',
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``odd'', ``none'', ``zero'' (always set bit 8 to zero),
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``one'' (always set bit 8 to 1).
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The default is even parity.
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.It Cm \&pn
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(str)
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Telephone number(s) for this host.
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If the telephone number field contains an @ sign,
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.Nm tip
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searches the file
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.Pa /etc/phones
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file for a list of telephone numbers (see
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.Xr phones 5 ) .
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.It Cm \&tc
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(str)
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Indicates that the list of capabilities is continued in the named
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description.
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This is used primarily to share common capability information.
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.El
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.Sh EXAMPLES
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Here is a short example showing the use of the capability continuation
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feature.
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It defines a 56k modem connection on the first serial port at 115200
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bits per second, no parity using the Hayes command set with standard
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line editing and end of file characters.
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The arpavax entry includes everything in the UNIX-57600 entry plus
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the phone number for arpavax (in this case an @ character so that it
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is retrieved from the environment).
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.Bd -literal
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UNIX-57600:\e
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:dv=/dev/cuaa0:el=^D^U^C^S^Q^O@:oe=^D:du:at=hayes:br#115200:pa=none:
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arpavax|ax:\e
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:pn=\e@:tc=UNIX-57600
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.Ed
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.Sh FILES
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.Bl -tag -width /etc/remote -compact
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.It Pa /etc/remote
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The
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.Nm
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host description file resides in
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.Pa /etc .
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.El
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.Sh SEE ALSO
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.Xr cu 1 ,
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.Xr tip 1 ,
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.Xr phones 5
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.Sh HISTORY
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The
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.Nm
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file format appeared in
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.Bx 4.2 .
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.Sh BUGS
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The
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.Xr tip 1
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utility uses its own notion of the serial ports data rate rather than the
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system default for a serial port.
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