need help with somthing else

[Coold00d]

need help with mapping, if any one could explain how to do
doors,
teleports, etc simple things,

[Vegeta]

Each editor comes with a manual, read with the same dedication as if you were studying for school (well, probably a bit more in some cases) and you'll learn it very fast as it's very simple.

[Dutch Doomer]

Study an original doom map or if you really want I can make an small demo wad for you.