what settings to do on linux box to enable login from any network node using telnet

"valeed" <[email protected]> Tue, 30 Sep 2003 07:54:40 +0300

Newsgroups	gmane.linux.redhat.release.psyche
Message-ID	<[email protected]>

hi all , 
I am new to linux , 
I have installed redhat 8 on a p4 2.4 ghz , 
would like to know how do i login to my linux box from any network pc using telnet, 
also is there any emulation software that works from windows & gives me the gui of linux the 'X' screen 

regards 



valeed