Int 21 Fn FEDC - PCmag Pcmanage/dcompres - Installation Check [d] AX = FEDCh Return: AX = CDEFh if installed Program: the PCMANAGE/DCOMPRES combination from PC Magazine permits infrequently-used files to be compressed to save space and transparently expanded when accessed See Also: AH=DCh,INT 2D/AL=10h"dLite"