Fairlight-CMI

Hi, Y'all

Maybe a bit offtopic in these exitin times but I think this is the 
place to post.
Is there anyone that could tell me how to change the username on 
page1...guess this must be done runnin QDOS or while formatting the 
system disk.
any help appreciated.

P.S. did anyone ever played a game on his machine?
http://bitsavers.org/bits/Motorola/mdos/