rsh, rexec, …
Remote shell is one of an entire family of remote commandspatterned after the normal local commands. For example, rcp issimilar to cp, the UNIX “who is logged in” command, who, becomesrwho. These commands are collectively referred to as the “r” seriescommands or the “r*” (r star) commands. The r* commands aredesigned for interaction between trusted hosts. Littleconsideration is given to security, but they provide a convenientuser environment.
To allow anyone from a host H to remote login into host A, youadd H to /etc/hosts.equiv file on the machine A. This needs superuser privileges. A user can permit himself to
OR
OR