cmd_autosave

command: /autosave

quick ref:

/autosave [on|off] [mins]

description:

automatically save the world every few mins. 
@param interval: how many minutes to auto save the world. 
e.g.
/autosave        :enable auto save
/autosave on     :enable auto save
/autosave off    :disable autosave
/autosave on 10  :enable auto save every 10 minutes