ok so my sight here is www.blockwars.trap17.com
if i want to enter a subdomain do i put www.blockwars.trap17.com/abc
or www.blockwars.trap17.com/abc.html
also i created a page 'cheese' (i just did it for testign ) in public html. But when i enter www.blockwars.trap17.com/cheese. I get HTTP404 Not found thingie
whats wrong?

Well for a subdomain to work here you need to first create a folder, this could be the folder "abc" now to make it a true subdomain you need to go into the subdomain manager in cpanel and just add a subdomain like "abc.site.trap17.com" and make it redirect to the folder "site.trap17.com/abc" does that make sense?

Im a little confused at what you mean with this...



www.blockwars.trap17.com/abc is not a subdomain of blockwars.trap17.com, it is just a folder, the term subdomain means sort of like a website that is part of another website, like youre username "blockwars" is a subdomain of "trap17.com"

Now if you wanted a folder in your website like blockwars.trap17.com/abc then you just create the folder in your FTP program of the cpanel file manager and then to get to it you just type the url i just said but with the folder name after the slash. You dont need to add ".html" or anything else to the end of a folder.

As for the cheese question what file type is the page? for example, if its a ".HTML" page then you would need to enter www.blockwars.trap17.com/cheese.html because if you just entered www.blockwars.trap17.com/cheese it will look for a folder and it wont be able to find it.

I hope this makes sense i was a little confused as to what you were asking!

shadowx is correct in order to set up a sub domain, you just type in the name you want and then click add. When you do this a folder will be created for that sub domain for you to set up your files in. What your asking, which I agree with shadowx is just make a folder either through FTP or the file manager and your set. If I remember my terminology correctly this is just a sub directory and not a sub-sub domain.