INT 2F - FN32 32 character filename utilities - INSTALLATION CHECK AX = C000h Return: AL = FFh if installed ES:DI -> signature string "FN32 32CHAR 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." Program: FN32 is a 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. which supports 32 character filenames under PCIBM PC/MS-DOS 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. intercepts INT 21 calls and performs filename substitution by managing dictionary files in each directory which contains long filenames