Category: <b>other operating systems</b>
<br>Flags: Undocumented function<p>
<pre><b>INT 2F - DR DOS 6.0+ DELWATCH.EXE - INSTALLATION CHECK</b>

	AX = 10FEh
Return: AL = FFh if installed and active
	    AH = internal version number
	        10h for DR DOS 6.0 DELWATCH 1.0 / 1.1 (through 1993/03/19)
		20h for Novell DOS 7+ DELWATCH 2.0+
	    DX:BX -&gt; private entry point (see <a href=../../it/05/26.html>#02605</a>)
Notes:	The DR DOS 6.0 DELWATCH 1.x used to store information about deleted
	  files in a hidden file named @DLWATCH.DAT, however the Novell DOS 7+
	  DELWATCH 2.0+ stores all the info in previously unused fields in
	  the files' directory entries. (See table !!! at INT 21h/11h for
	  details). This, however, now causes problems on systems also running
	  Windows 9x since Microsoft decided to use a rather similar but
	  incompatible method to store long filenames etc. in these entries.
	Running DELWATCH 2.x on a system which previously used DELWATCH 1.x,
	  the @DLWATCH.DAT file will be abandoned and converted to the new
	  method.
SeeAlso: <a href=../../it/52/13.html>#01352</a>,INT 21/AX=4306h,INT 21/AX=5704h,INT 2F/AX=1001h

</pre>