What is SSH client???? where do i get it??? it is free or need to buy???

ssh client is a secure way of telnet. ur device (such as cisco switch, router) much support and enabled with ssh before u can use ssh client. U can download called Putty for free.

http://www.putty.org/

owh i c,well is there anything requirement to run this software??? for window xp professional,if my place run on server dint the server will block it???

nope, there's no requirement other than ur device supported it and configured with ssh. it's should be fine running on XP pro and it shouldn't be block as well.

owh oke it seem i am clear now for the info here... thanks stormaker

U're welcome !