157 lines
4.3 KiB
Groff
157 lines
4.3 KiB
Groff
.\" $NetBSD: rlogin.1,v 1.26 2013/03/02 16:35:17 christos Exp $
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.\"
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.\" Copyright (c) 1983, 1990, 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. 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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.\" @(#)rlogin.1 8.2 (Berkeley) 4/29/95
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.\"
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.Dd March 2, 2013
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.Dt RLOGIN 1
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.Os
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.Sh NAME
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.Nm rlogin
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.Nd remote login
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.Sh SYNOPSIS
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.Nm
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.Op Fl 468dEn
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.Op Fl e Ar char
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.Op Fl l Ar username
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.Op Fl p Ar port
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.Ar host
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.Nm
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.Op Fl 468dEn
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.Op Fl e Ar char
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.Op Fl p Ar port
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.Ar username@host
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.Sh DESCRIPTION
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.Nm
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starts a terminal session on a remote host
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.Ar host .
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.Pp
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.Nm
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first attempts to use the standard Berkeley
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.Em rhosts
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authorization mechanism.
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The options are as follows:
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.Bl -tag -width XlXusernameX
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.It Fl 4
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Use IPv4 addresses only.
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.It Fl 6
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Use IPv6 addresses only.
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.It Fl 8
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The
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.Fl 8
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option allows an eight-bit input data path at all times; otherwise
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parity bits are stripped except when the remote side's stop and start
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characters are other than
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.Sq \&^S/^Q .
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.It Fl d
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The
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.Fl d
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option turns on socket debugging (see
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.Xr setsockopt 2 )
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on the TCP sockets used for communication with the remote host.
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.It Fl E
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The
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.Fl E
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option stops any character from being recognized as an escape character.
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When used with the
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.Fl 8
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option, this provides a completely transparent connection.
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.It Fl e Ar char
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The
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.Fl e
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option allows user specification of the escape character, which is
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.Dq \&~
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by default.
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This specification may be as a literal character, or as an octal
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value in the form \ennn.
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.It Fl l Ar username
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the
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.Fl l
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option specifies an alternate
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.Ar username
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for the remote login.
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If this option is not specified, your local username will be used.
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.It Fl n
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Set the
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.Dv TCP_NODELAY
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socket option,
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which can improve interactive responsiveness at the possible downside of
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increased network load.
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.It Fl p Ar port
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Uses the given
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.Ar port
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instead of the one assigned to the service
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.Dq login .
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May be given either as symbolic name or as number.
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.El
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.Pp
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A line of the form
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.Dq Ao escape char Ac Ns \&.
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disconnects from the remote host.
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Similarly, the line
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.Dq Ao escape char Ac Ns ^Z
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will suspend the
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.Nm
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session, and
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.Dq Ao escape char Ac Ns Aq delayed-suspend char
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suspends the
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send portion of the rlogin, but allows output from the remote system.
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By default, the tilde
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.Pq Dq \&~
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character is the escape character, and normally control-Y
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.Pq Dq \&^Y
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is the delayed-suspend character.
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.Pp
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All echoing takes place at the remote site, so that (except for delays) the
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.Nm
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is transparent.
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Flow control via ^S/^Q and flushing of input and output on interrupts
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are handled properly.
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.Sh ENVIRONMENT
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The following environment variable is used by
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.Nm :
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.Bl -tag -width TERM
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.It Ev TERM
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Determines the user's terminal type.
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.El
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.Sh SEE ALSO
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.Xr rcmd 1 ,
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.Xr rsh 1 ,
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.Xr rcmd 3 ,
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.Xr hosts.equiv 5 ,
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.Xr rhosts 5 ,
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.Xr environ 7
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.Sh HISTORY
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The
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.Nm
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command appeared in
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.Bx 4.2 .
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.Sh BUGS
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More of the environment should be propagated.
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