Date   : Thu, 31 Jan 1985 23:57:00 GMT
From   : grayson%uiucuxc.uucp@BRL-TGR.ARPA
Subject: Re: CP/M-80 file directory debugger need

I use DU2, which is part of ZCPR, and is widely available through
local computer clubs.  It allows you to fix the directory manually,
display records, etc...