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RSH(1) OpenBSD Reference Manual RSH(1)
rsh - remote shell
rsh [-Kdnx] [-k realm] [-l username] host [command]
rsh executes command on host.
rsh copies its standard input to the remote command, the standard output
of the remote command to its standard output, and the standard error of
the remote command to its standard error. Interrupt, quit and terminate
signals are propagated to the remote command; rsh normally terminates
when the remote command does. The options are as follows:
-K The -K option turns off all Kerberos authentication.
-d The -d option turns on socket debugging (using setsockopt(2)) on
the TCP sockets used for communication with the remote host.
-k The -k option causes rsh to obtain tickets for the remote host in
realm instead of the remote host's realm as determined by
-l By default, the remote username is the same as the local username.
The -l option allows the remote name to be specified. Kerberos au-
thentication is used, and authorization is determined as in
-n The -n option redirects input from the special device /dev/null
(see the BUGS section of this manual page).
-x The -x option turns on DES encryption for all data exchange. This
may introduce a significant delay in response time.
If no command is specified, you will be logged in on the remote host us-
Shell meta-characters which are not quoted are interpreted on local ma-
chine, while quoted meta-characters are interpreted on the remote ma-
chine. For example, the command
rsh otherhost cat remotefile >> localfile
appends the remote file remotefile to the local file localfile, while
rsh otherhost cat remotefile ">>" other_remotefile
appends remotefile to other_remotefile.
rlogin(1), kerberos(3), krb_realmofhost(3), krb_sendauth(3), rcmd(3)
The rsh command appeared in 4.2BSD.
If you are using csh(1) and put a rsh in the background without redirect-
ing its input away from the terminal, it will block even if no reads are
posted by the remote command. If no input is desired you should redirect
the input of rsh to /dev/null using the -n option.
You cannot run an interactive command (like rogue(6) or vi(1)) using
rsh; use rlogin(1) instead.
Stop signals stop the local rsh process only; this is arguably wrong, but
currently hard to fix for reasons too complicated to explain here.
OpenBSD 2.6 July 24, 1991 2
Source: OpenBSD 2.6 man pages. Copyright: Portions are copyrighted by BERKELEY
SOFTWARE DESIGN, INC., The Regents of the University of California, Massachusetts
Institute of Technology, Free Software Foundation, FreeBSD Inc., and others.
(Corrections, notes, and links courtesy of RocketAware.com)
FreeBSD Sources for rsh(1)
OpenBSD sources for rsh(1)
Up to: Remote Process Creation and Control - Methods of starting and controlling processes remotely. (telnet, login, rexec, et al.)
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