The 'S' function will now return the correct free space value under
CP/M-Plus.  Case in which file names are displayed configurable;
lower case as distributed.  See ZFHIST.DOC for update history and
ZFCNFJ.Z80 for configuration.  Files are named as ZF10Jtc+.COM.  The
't'erminal is 'D' for dim video, 'R' for reverse.  The 'c'olumns
values is 4 or 5.  A '+' on the end means that DateStamper is
supported.        Jay Sage,  04/14/88