Category: <b>shells/command interpreters</b>
<br>Flags: Undocumented function<p>
<pre><b>INT 2F - DOS 5+ - ROM COMMAND.COM INTERFACE</b>

	AX = 5501h
Return: ???
Note:	used to determine whether the caller is the first instance of ROM
	  COMMAND.COM
SeeAlso: AX=5500h
</pre>