(Can be emulated using echo and switch under DR-DOS.) multitrack (DOS.0 and DR-DOS.02 and higher; 3 ) ignored under PTS-DOS) Specifies whether multitrack disk operations are used or not.
AUX (DR-DOS.02 and higher only) Changes internal default serial device driver (COM1: to COM4 for AUX: device.Hilastdrive (DR-DOS.02 and higher, EDR-DOS.01.07 and drmk only) See lastdrivehigh or dosumb or dosdata."S statements used by OS/2".Hiinstalllast (EDR-DOS.01.07 and drmk only) Installs a TSR program into memory, like hiinstall, but installs national geographic science of everything pdf after the DOS data segment relocation.Iopl (OS/2 only) Specifies programs (which would normally run at the CPU's iopl ring 3 ) which should be allowed to run at ring 2 in order to directly access the hardware for I/O.Onerror 0 goto failload or onerror 10 onerror 17 onerror 30 echo Error 11-16 or 18-30 occurred.Buffers (DOS.0 and DR DOS.31 and higher; OS/2) Specifies the number of disk buffers to allocate.Learn an internationally recognized philosophy, Logic Design.History (DR DOS.41 and higher only) Enables and configures console and command line history buffer and extended pattern search functionality.Idlehalt (FreeDOS only) Configures HLT energy saving.Stuba20 (PTS-DOS only) Specifies how XMS A20 gate control should work.Hibuffers (DR DOS.0 and higher only) See buffershigh or doshigh, UMB or dosdata.Nochar (DR-DOS.02 and higher only) Specifies the default No (N) character in Yes/No/Resume questions.Intuitive to use: VCR like controls, Drag and Drop, Tip of the Day, Tool Tips, Comprehensive Online Help.Ct (Center turtle) cs (Clear screen) pu manual pioneer pro dj 3500 (Pen up the turtle can move without drawing a line.1 6 S directives do not accept long filenames.Sysboot (PTS-DOS only) Specifies file name of alternative DOS operating systems to boot.
CPU286 (PTS-DOS only) Conditional execution on 286 CPUs only.