[root@x]# telnet #invoke client without any command-line options telnet> toggle options #tell client to display all the option processing Will show option processing. telnet> open 10.0.0.1 #now establish connection with server Trying 10.0.0.1... Connected to 10.0.0.1. Escape character is '^]'. SENT DO SUPPRESS GO AHEAD SENT WILL TERMINAL TYPE SENT WILL NAWS SENT WILL TSPEED SENT WILL LFLOW SENT ..