Command: buffers

  BUFFERS tells FreeDOS how many disk buffers it should allocate.
  BUFFERS is a CONFIG.SYS / FDCONFIG.SYS command. 

Syntax:

  buffers=nn[,m]
    nn  is the number of primary disk buffers, in the range 1-99.
    m   is the number of secondary disk buffers, in the range 1-8.

[Main menu] [top] (Syntax) [Options] [Comments] [Examples] [See also] [File]

Options:

  Usage:

  The default setting depends on the amount of conventional memory 
  your system has:

  Memory (KB)                Primary Buffers           Secondary Buffers
  ----------------------------------------------------------------------
    < 128                           3                         1
  128 - 255                         5                         1
  256 - 511                        10                         1
  512 - 640                        15                         1

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Comments:

  Increasing the number of BUFFERS can improve the speed of programs 
  that work with a large number of files, but also uses up more 
  memory resources.
  The secondary buffer option is available for compatibility with
  other DOS kernels, but is ignored by the FreeDOS kernel. In MS DOS,
  a secondary buffer can used to read-ahead data. FreeDOS does not do
  this. Buffers are stored in HMA by FreeDOS, unless you select nn to
  allocate more buffers than fit in HMA. If nn is smaller, unused HMA
  space will be used for further buffers until something else allocates
  the HMA space for something else. Even then, at least nn buffers will
  always be available.  You can set nn to a negative value to disable
  the use of unused HMA space: BUFFERS=-10 only uses 10 buffers, further
  free space in the HMA will just stay unused.
  BUFFERS is a command internal to kernel.sys and needs no other file
  in order to work.

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Examples:

  IN CONFIG.SYS / FDCONFIG.SYS:
    buffers=3,1

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See also:

  buffershigh
  config.sys
  fdconfig.sys

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File:

  Please read this command's lsm file also.
  You will find the updated version (internet) here and
  the version described in this manual page here.
  The lsm file contains information about the name of the programmer,
  the download site, and some other command related information.

[Main menu] [top] [Syntax] [Options] [Comments] [Examples] [See also] (File)


  Copyright © 2003 Robert Platt, updated 2008 by W. Spiegl.

  This file is derived from the FreeDOS Spec Command HOWTO.
  See the file H2Cpying for copying conditions.