>Can anybody tell me how can I get help on commands in Unix..
>
>When I log in to our ISP server.. It shows a Unix 7.0 system..
>
>But I'm not familiar with the Unix commands...
>
>Any way to get help on the Unix prompt...

Also, for quickie help you can type:

man -k [insert keyword here]

It will show you a summary of all the commands that have the keyword in their brief description, then you can, as everyone else said, type:

man [command]

To see the detailed help on the command...