Date   : Mon, 22 Jul 1985 11:15:22 PDT (Mon)
From   : Bridger Mitchell <bridger@rand-unix.ARPA>
Subject: CP/M S1 byte ?

Can anyone enlighten me as to what the S1 (not S2) byte
in the fcb and directory entry does, in both CP/M 2.2 and
later systems?  Are any applications or system utilities using it?

--bridger mitchell