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- SoftLogic Solutions Customer BBS
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- This is BULLETIN # 6 - Tips on using DoubleDOS
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-
- A. Neat things to know about DDCONFIG.SYS
- ------------------------------------------
-
- You can use the "TOP PROGRAM = " statement as many times
- as you want (up to the total limit of 128 chars per memory
- section). These statements are executed in the order
- in which they appear, just as though you typed them.
-
- Examples:
- TOP PROGRAM = C:
- TOP PROGRAM = CD\WS
- TOP PROGRAM = WS
- BOTTOM PROGRAM = C:
- BOTTOM PROGRAM = CD\LOTUS
- BOTTOM PROGRAM = LOTUS
-
-
- More (Y),N,NS? ns
-
- B. What else you can do with the "Adjust Memory Size" option
- -------------------------------------------------------------
-
- The adjust memory size option, from the DoubleDOS control
- menu will clear all memory resident programs out of RAM...
- if you specify a different memory size. This is a handy
- way to recover memory used for a resident program without
- rebooting.
-
-
- SIDEKICK will turn the DoubleDOS timesharing off if you remove
- it by using its command "CTRL HOME; CTRL END".
-
- If SIDEKICK is loaded, you will not get the ADJUST MEMORY option
- when you are at a DOS prompt. You must type the space bar first,
- then go to the DoubleDOS menu. This will then allow you to adjust
- the memory.
-
- This option allows one to readjust the memory division,
- assigned at the initial startup of DoubleDOS.
-
-
-
- C. HELP WITH USING THE DoubleDOS PARALLEL PRINTER BUFFER
- ---------------------------------------------------------
-
- The two statements "PRINT DRIVER = " and "PRINT BUFFER = "
- in your DDCONFIG.SYS file will allow you to have a print
- buffer and specify its size.
-
- The "PRINT DRIVER = " statement controls the implementation
- of the DoubleDOS print buffer. Only "PRINT DRIVER = CLOCK"
- or "PRINT DRIVER = INTERRUPT" statements will activate
- the DoubleDOS print buffer. Using one of the other two
- PRINT DRIVER options (=BIOS, or =DIRECT) will cause DoubleDOS
- to ignore the "PRINT BUFFER = " statement.
-
- "PRINT DRIVER = INTERRUPT" is the fastest printing routine
- in DoubleDOS. However, this option only works when using
- the IBM monochrome adapter printer port. Most all other
- printer boards (AST's LPT2 port, or the IBM parallel printer
- adapter board) cannot support this INTERRUPT option.
-
- รจ "PRINT DRIVER = CLOCK" is almost as fast and works with all
- parallel printer adapter boards.
-
- When using either INTERRUPT or CLOCK DoubleDOS will implement
- a printer buffer with the size specified in the "PRINT
- BUFFER = " statement. You can specify any size print buffer
- from 1 to 64 K.
-
-
- D. How to avoid reloading a diskette containing COMMAND.COM
- when a program terminates (If you boot from a floppy).
- ----------------------------------------------------------------
-
- Place a copy of the COMMAND.COM file on your hard disk (or RAM disk).
- The SET statement can be used to instruct DOS where to find the part
- of COMMAND.COM that is often reloaded. In order to avoid having to
- keep COMMAND.COM on all your floppy disks, you can use the following
- statement in your autoexec.bat file to tell DOS where to get COMMAND.COM.
-
- SET COMSPEC=C:\COMMAND.COM
-
- (This assumes your hard disk is drive C:)
- If you boot from a floppy, and do not have a hard disk, you may create
- a small RAM disk, copy the COMMAND.COM to it, and then use the SET
- command to force DOS to look for COMMAND on the RAM disk.
-
-
- E. DoubleDOS' PRINTER.COM program.
- ------------------------------------
-
- The file PRINTER.COM is available for downloading and is designed to
- make either memory section print all its output to the LPT2, or LPT3
- printer adapter as LPT1. Programs like BASIC, and Wordstar will only
- print to a printer which is connected to the LPT1 printer port. With
- our PRINTER.COM program, you can run PRINTER LPT2 and from that point
- on, all printer information will be printed to the LPT2 printer. By
- using this program you can run two copies of Wordstar, both printing
- to its own LPT1 printer.
-
- This program is also used to prevent printer reset, which is caused
- by some programs when the program is started or stopped. For systems
- with just one printer, you can run PRINTER LPT2 in the top memory section.
- Then anytime you are running a program in the bottom memory section which
- is using your LPT1 printer, it will not be reset by a program which is run
- in the top memory section.
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- 41 min left
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