Category: file manipulation
INT 2F - CTDEMN - INSTALLATION CHECK
AX = E77Eh
BX = 0000h
CX = 4F4Dh ('OM')
DX = 5453h ('TS')
Return: AX = 7EE7h if installed
BX = resident code segment
CX = 6F6Dh ('om')
DX = 7473h ('ts')
Program: CTDEMN is a file daemon TSR by Simultan AG