Hey Im IPod Anyway On Topic:
You should be able to type /help in the server or in game if you're op and the commands should come up, if this doesn't work say and i'll figure it out and get back to you.
Then type /command if in game or on the server console just the command
Btw, Im talking about the one on the actual Site
I advise you to google for fcraft or mcforge, these server softwares have LOADS of helpful commands, mcforge has fun commands, fcraft a world generator which is epic
Can You Link Please? :D
Is it really that hard to just google it? Anyways here is a more detailed information of MCForge and fCraft:
Here is my signature.