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rsh(1) - rsh - remote shell - man 1 rsh

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RSH(1)                    BSD General Commands Manual                   RSH(1)

NAME
     rsh -- remote shell

SYNOPSIS
     rsh [-Kdnx] [-k realm] [-l username] host(1,5) [command]

DESCRIPTION
     Rsh executes command on host(1,5).

     Rsh copies its standard input to the remote command, the standard output
     of the remote command to its standard output, and the standard error(8,n) 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(2,7,n) 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(1,5) in(1,8)
           realm instead of the remote host(1,5)'s realm as determined by
           krb_realmofhost(3).

     -l    By default, the remote username is the same as the local username.
           The -l option allows the remote name to be specified.  Kerberos
           authentication is used, and authorization is determined as in(1,8)
           rlogin(1).

     -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(1,8) response time.

     If no command is specified, you will be logged in(1,8) on the remote host(1,5)
     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(1,n) remotefile to the local file(1,n) localfile, while

           rsh otherhost cat remotefile ">>" other_remotefile

     appends remotefile to other_remotefile.

FILES
     /etc/hosts

SEE ALSO
     rlogin(1), kerberos(3), krb_sendauth(3), krb_realmofhost(3)

HISTORY
     The rsh command appeared in(1,8) 4.2BSD.

BUGS
     If you are using csh(1) and put a rsh in(1,8) the background without redirect-
     ing its input away from the terminal, it will block even if(3,n) 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.

Linux NetKit (0.17)             August 15, 1999            Linux NetKit (0.17)

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