For while i was using Weblogic 10 , so, i thought about trying out tomcat6 ,so ,i'm in a confusion ,where to deploy ,means which directory can some one help,i'm using ubuntu 10.10
Check and see if the tomcat manager webapp is available - and that you have a userid/password set up that allows you to access it.
The Tomcat manager can upload a WAR and deploy it.
Like Bear says, there are a number of ways to deploy, so it's a matter of finding one that works for you.
The secret of how to be miserable is to constantly expect things are going to happen the way that they are "supposed" to happen.
You can have faith, which carries the understanding that you may be disappointed. Then there's being a willfully-blind idiot, which virtually guarantees it.