Int 60 Fn 0000  - Rifs - Client - Installation Check                       [N]

   AX = 0000h

Return: AX = 1234h if installed
   CF clear
Program: RIFS is the Remote Installable File System by "kyle"
Range: INT 60 to INT 66 and INT 18,selected by scanning for 0000h:0000h vector

Note:  the installation check consists of testing for the signature "RIFS"
     immediately preceding the interrupt handler

See Also: AX=0001h,AX=0005h,AX=0007h,AX=0008h,INT 2F/AX=5600h