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RLOGIN (1) | General commands | Unix Manual Pages | :man


rlogin - remote login


See Also


rlogin [-468DEd] [-e char] [-i localname] [-l username] host


The rlogin utility starts a terminal session on a remote host host.

The standard Berkeley rhosts authorization mechanism is used.

The following options are available:

-4 Use IPv4 addresses only.
-6 Use IPv6 addresses only.
-8 Allow an eight-bit input data path at all times; otherwise parity bits are stripped except when the remote side’s stop and start characters are other than ^S/^Q.
-D Set the TCP_NODELAY socket option which can improve interactive response at the expense of increased network load.
-E Stop any character from being recognized as an escape character. When used with the -8 option, this provides a completely transparent connection.
-d Turn on socket debugging (see setsockopt(2)) on the TCP sockets used for communication with the remote host.
-e Allow user specification of the escape character, which is "~" by default. This specification may be as a literal character, or as an octal value in the form \nnn.
-i Allow the caller to specify a different local name to be used for authentication. This option is restricted to processes with uid 0.
-l Specify a different username for the remote login. If this option is not specified, your local username will be used.

A line of the form "<escapechar.>" disconnects from the remote host. Similarly, the line "<escapechar^Z>" will suspend the rlogin session, and "<escape char<delayed-suspend char>>" suspends the send portion of the rlogin session, but allows output from the remote system. By default, the tilde ("~") character is the escape character, and normally control-Y ("^Y") is the delayed-suspend character.

All echoing takes place at the remote site, so that (except for delays) the rlogin is transparent. Flow control via ^S/^Q and flushing of input and output on interrupts are handled properly.


The following environment variable is utilized by rlogin:
TERM Determines the user’s terminal type.


$HOME /.rhosts


login(1), rsh(1), telnet(1), setsockopt(2), ruserok(3), tty(4), auth.conf(5), hosts(5), hosts.equiv(5), rlogind(8), rshd(8)




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