A free operating system based on the FreeDOS kernel

As of 2014-08-11, this project may now be found at

Add a Review
40 Downloads (This Week)
Last Update:
Browse All Files
BSD Windows Mac Linux



LightDOS is no longer being developed or maintained, but it's replacement Carbon is currently in alpha stage:

Read this page on the wiki for more information:


LightDOS is essentially the DOS equivalent of Ubuntu linux. LightOS comes built-in with the oZone desktop environment, mouse drivers, long file name support, improved commands, and more.

LightDOS Web Site


  • Uses the FreeDOS kernel, so it can run nearly every program made for DOS (100,00+ programs). Examples include Microsoft Word, DOOM, Quake, Oregon Trail, and Wolfenstein 3D.
  • Includes many utilities and drivers that other DOS-like operating systems don’t include. Things like a desktop, improved command line, silent boot.
  • If you install the HX DOS Extender, you can run most Windows console programs inside LightDOS, including 7-Zip, DOSBox, QEMU, and more.
  • The DJGGP Development Environment lets you create (or port existing) C++ applications for LightDOS. Many current programming languages are compatible with LightDOS.
  • LightDOS can be booted from a USB drive or CD, so it’s perfect for recovery and you can access files on your hard drive with the File Manager. Most PC companies provide BIOS updates as a DOS executable, which LightDOS is capable of running.
  • Standard release for most users, and Pro release for experienced DOS users.


Write a Review

User Reviews

Be the first to post a review of LightDOS!

Additional Project Details


Screenshots can attract more users to your project.
Features can attract more users to your project.

Icons must be PNG, GIF, or JPEG and less than 1 MiB in size. They will be displayed as 48x48 images.