I map the homedrive differently depending on whether the user is using 9x or NT ($FS is defined earlier in the script as "\\servername\"):

; IF <> NT MAP HOMEDRIVE THIS WAY
IF @INWIN<>1
USE F: $FS+@USERID+"$"
ENDIF

; WinNT
IF @INWIN=1
USE F: @HOMESHR
ENDIF