INT 2F - Kingswood TSR(Terminate and Stay Resident) A program which remains in memory after terminating in order to provide services to other programs or the user. The name comes from the name of the DOS function call used to remain in memory after termination. Windows - ADD OR REMOVE USER AX = 3901h BL = 0Bh CL = number of users increment: +1 if adding a new user -1 if removing a user Return: AX = error code (0000h if successful) SI,DI,DS,ES preserved Note: the TSR(Terminate and Stay Resident) A program which remains in memory after terminating in order to provide services to other programs or the user. The name comes from the name of the DOS function call used to remain in memory after termination. windows resident module may only be removed when the internal user count is zero SeeAlso: AH=39h/BL=00h,AX=3901h/BL=02h