HELP!How to copy a file to my Users Folder in CMD?

[Elrich]

I Know we can delete a file in "C:\Documents and Settings\All Users" by use "DEL "%AllUsersProfile%\*"

and how to delete a file in my user folder? I means delete a file in "C:\Documents and Settings\Elrich\"(my user name is "Elrich")

[MHz]

%UserProfile%

[Elrich]

It's OK...Thanks

[Elrich]

Who can tell me where to inquire about the variable like %AllUsersProfile% and %UsersProfile%?