Table of Contentsrsh - remote shell rsh host 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 option turns off all Kerberos authentication.
- -d
- The option turns on socket debugging (using setsockopt ( 2 )) on the TCP sockets used for communication with the remote host.
- -k
- The option causes rsh to obtain tickets for the remote host in realm instead of the remote host's realm as determined by krb_realmofhost ( 3 .)
- -l
- By default, the remote username is the same as the local username. The option allows the remote name to be specified. Kerberos authentication is used, and authorization is determined as in rlogin ( 1 .)
- -n
- The option redirects input from the special device /dev/null (see the section of this manual page).
- -x
- The 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 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
appends the remote file remotefile to the local file localfile , while
appends remotefile to other_remotefile .
Pa /etc/hosts rlogin (1), kerberos (3), krb_sendauth (3), krb_realmofhost (3) The rsh command appeared in BSD 4.2 . 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 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.
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