BREAK=<ON or OFF>
  Default: OFF
  Purpose: Used to estaoblish MS-DOS's response to the Ctrl
           Break key combination. If OFF MS-DOS responds to
           Ctrl-Break only during screen, keyboard, serial
           port, or printer I/O operations. If ON MS-DOS
           responds to Ctrl-Break for all operations.
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BUFFERS=<size>
  Default: 2 on PC's or 3 on AT's
  Purpose: Used to determine number of disk buffers that are
           reserved for use by MS-DOS. Generally, setting the
           buffers value to 16 is adequate, although some
           applications require as much as 64. Setting this
           value too high (20+) or too low can slow your
           system down. You need to experiment to determine
           the best setting for your machine and application
           setup.
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FILES=<size>
  Default: 8
  Purpose: Used to adjust the total number of files that can
           be open at one time. Note for each additional file
           specified, 48 to 58 bytes of additional RAM is
           used. Setting of 20 to 25 is adequate under most
           conditions. 50 or more is adequate for Windows
           and up to 100 if using Windows on a Network. Also
           note some users noted fewer Application errors in
           Windows when FILES=size was increased.
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DEVICE=<Drive:\Path\Filename parameterlist>
  Default: none
  Purpose: Crucial to configuring your system for different
           types of hardware. This is how special files called
           Device Drivers (files which normally have the
           extension .SYS) are loaded into memory.
           Drive = Drive file is on, Path = the directory this
           file resides in, Filename = the name of the file,
           and parameterlist = any parameters for Filename
           Device Driver.
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SHELL=<Drive:\Path\Filename parameterlist>
  Default: COMMAND.COM
  Purpose: Used to determine which Command Processor or Shell
           to loaded at Boot.Drive = Drive file is on, Path =
           the directory this file resides in, Filename = the
           name of the file, and parameterlist = any parameters
           for Filename command processor.
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LASTDRIVE=<Drive:>
  Default: E:
  Purpose: Used to determine the number of drives on the
           system to be recognized by MS-DOS. MS-DOS is able
           to recognize 26 drives starting at A: and ending
           with Z: Note that each drive added requires an
           additional 81 bytes of memory for DOS versions
           less than 4.0 and 88 bytes for versions 4.0 and
           higher.
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LASTDRIVE=<Drive:>
  Default: E:
  Purpose: Used to determine the number of drives on the
           system to be recognized by MS-DOS. MS-DOS is able
           to recognize 26 drives starting at A: and ending
           with Z: Note that each drive added requires an
           additional 81 bytes or memory for DOS versions
           less than 4.0 and 88 bytes for versions 4.0 and
           higher.
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