so i got the server up and running everything works 
how do i export the world save onto my computer?
the people who made this wonderful OS. THANKS A TON
Export the world save to your computer?
Create an archive in the webui. This is a single file containing the whole server, which will get put into /var/games/minecraft/archives/[servername]/.
how do i access that file in the archives? and get it onto my main computer.