how to copy an Alts interface to the another alt

[Zour]

I know there is a type command that opens a window so i can copy my settings from toon to toon but can't remember what the command is? can anyone tell me? My mains...UI settings are all screwed up but my alts are all good to go but I need to open the command window so i can copy and fix my mains ui settings...HELP!!!!!!!!