radÂ·iÂ·cal. (rÄdâ²Ä­-kÉl) adj. 1. Arising from or going to a root or source; basic: proposed a radical solution to the problem. 2. Departing markedly from the usual or customary; extreme or drastic: a radical change in diet.
rlogin (remote login) 1  Securing VMware Virtual Infrastructure with Centrify's Identity and Access  ... Rlogin (remote login) is a UNIX command that allows an authorized user to login to other UNIX machines (hosts) on a network and to interact as if the user were physically at the host computer.
rlogin, login -f option. Brief description: Some versions of login (1) and rlogin (1) allow a user to log in without benefit of a password by using the -f option (no space). Full description: The base problem rises because login recognizes the argument -fuser and logs the caller in as user without any further authentication.