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RSH(1) BSD General Commands Manual RSH(1)
rsh -- remote shell
rsh [-Kdnx] [-l username] host [command]
Rsh executes command on host.
Rsh copies its standard input to the remote command, the standard output of the remote com-
mand 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 nor-
mally terminates when the remote command does. The options are as follows:
-d The -d option turns on socket debugging (using setsockopt(2)) on the TCP sockets used
for communication with the remote host.
-l By default, the remote username is the same as the local username. The -l option
allows the remote name to be specified.
-n The -n option redirects input from the special device /dev/null (see the BUGS section
of this manual page).
If no command is specified, you will be logged in on the remote host using rlogin(1).
Shell metacharacters which are not quoted are interpreted on local machine, while quoted
metacharacters are interpreted on the remote machine. 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.
The rsh command appeared in 4.2BSD.
If you are using csh(1) and put a rsh in the background without redirecting 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)
Stop signals stop the local rsh process only; this is arguably wrong, but currently hard to
fix for reasons too complicated to explain here.
Linux NetKit (0.17) August 15, 1999 Linux NetKit (0.17)
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