Category: <b>DOS extenders</b>
<br>Flags: available only in protected mode<p>
<pre><b>INT 21 - Phar Lap 386/DOS-Extender VMM v3.0+ - SHRINK 386|VMM SWAP FILE</b>

	AX = 253Ch
Return: CF clear
	EAX = old size of swap file in bytes
	EBX = new size of swap file in bytes
</pre>