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@(#)rlogin.1 6.1 (Berkeley) 04/29/85
rhost [ -ec ] [ -8 ] [ -l username ]
Each host has a file /etc/hosts.equiv which contains a list of rhost's with which it shares account names. (The host names must be the standard names as described in rsh (1C).) When you rlogin as the same user on an equivalent host, you don't need to give a password. Each user may also have a private equivalence list in a file .rhosts in his login directory. Each line in this file should contain a rhost and a username separated by a space, giving additional cases where logins without passwords are to be permitted. If the originating user is not equivalent to the remote user, then a login and password will be prompted for on the remote machine as in login (1). To avoid some security problems, the .rhosts file must be owned by either the remote user or root and may not be a symbolic link.
Your remote terminal type is the same as your local terminal type (as given in your environment TERM variable). All echoing takes place at the remote site, so that (except for delays) the rlogin is transparent. Flow control via ^S and ^Q and flushing of input and output on interrupts are handled properly. The optional argument -8 allows an eight-bit data path, otherwise parity bits are stripped. A line of the form ``~.'' disconnects from the remote host, where ``~'' is the escape character. Similarly, the line ``~^Z'' (where ^Z, control-Z, is the suspend character) will suspend the rlogin session. Substitution of the delayed-suspend character (normally ^Y) for the suspend character suspends the send portion of the rlogin, but allows output from the remote system. A different escape character may be specified by the -e option. There is no space separating this option flag and the argument character.