newbie ssh question

Hi Using one command i need to ssh to a machine so that i can see the commandline/command prompt...(i tried the following syntax...ssh <username>/<pw>@<ipaddress>, ssh <usernaem>@<ipaddres>:<password> Can someone help me with the correct syntax. Regards Anil. m not really sure if this is the right place to ask this question..if so plz give some pointer.