OPEN FILE AT 0
WRITE 0 THIS STRING SHOULD BE OVERWRITTEN
CLOSE 0
ECHO ABOUT TO READ BACK FILE NAMED "FILE":
READ FILE
OPEN FILE AT 0
WRITE 0 THIS IS THE NEW STRING IN THE FILE 
CLOSE 0
ECHO ABOUT TO READ BACK THE SAME FILE:
READ FILE
ECHO SUCCESSFUL OVERWRITE!
EXIT
