The Microsoft MS-DOS.5 User's Guide and Reference says:
To start MS-DOS Editor at the command prompt:
Type edit at the command prompt and press the Enter key
C> edit
---------------------------------------------------------
STARTING THE DOS EDITOR
-----------------------
/mmm\ /mmm\ /mmm\
(O o) (O O) (o o)
U U u /mmm\
||\ \\ / \\ . (- -)
oOOo__oOOo _____oOOo ___________ __u_oOOo
############ ######### ########### ################
(BAD ANSWER) (RETRY) (ONCE MORE) (Bored & Asleep)
-David Bourgin-