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Found 4 file extension associations related to DR-DOS

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Application name: DR-DOS

Application URL:

DR-DOS [external link]

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DRDOS, Inc. logoDeveloper: DRDOS, Inc.

Developer homepage:

DRDOS, Inc. website

DR-DOS works with the following file extensions:

Note: Click on the title link to view detailed file extension information. Listing extensions may not be complete due to some selective choice of programs associated to the file extension on our website (eg. jpg (pictures) or txt (text files) file types open hundreds of programs and are too general). Therefore, some filename extensions may be missing in the list, although with the program normally works.

acc file icon.accapp file icon.appfb file icon.fbsys file icon.sys

DR-DOS picture

DRDOS, Inc. logoDR-DOS

Company / developer:
  DRDOS, Inc.

DR-DOS is the ideal embedded DOS system, designed for straight forward out-of-the-box implementation into ROM or Flash ROM. DRDOS makes these tools and associated documents available in the DRDOS OEM Kit.

  • 100% compatible with MS-DOS 6.22.
  • Comprehensive DOS utility set
  • Multitasking, with API for developers
  • Includes 286/386/486/Pentium DPMS memory manager in addition to DPMI
  • Stacker disk compression
  • NWCACHE - disk caching program
  • EMM386 memory manager
  • DOS Protected Mode Services (DPMS)
  • Multitasking
  • DR-DOS provides a full multitasking environment on Pentium, 486, or 386-based hardware. This is built into the memory management extensions provided in the operating system, and is accessible for standard un-aware applications when using the Task manager (Taskmgr) utility. Programs however can have direct access to create separate threads etc, via the extended Application Programming Interface.
  • DPMS - A memory manager that works on 286/386/486/Pentium-based PCs, allowing device drivers to reside outside of the regular DOS application area. Drivers or Terminate stay-resident applications can thereby avoid using valuable application memory.
  • ROM tools available

DR-DOS review

DR-DOS is developed by DRDOS, Inc. and associated with 4 file extensions here at File-Extensions.org.

Works with these file extensions: acc, app, fb, sys file types.

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