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Welcome to FreeDOS

FreeDOS 1.2

FreeDOS is a complete, free, DOS-compatible operating system that you can use to play classic DOS games, run legacy business software, or develop embedded systems. Any program that works on MS-DOS should also run on FreeDOS.

It doesn’t cost anything to download and use FreeDOS. You can also share FreeDOS for others to enjoy! And you can view and edit our source code, because all FreeDOS programs are distributed under the GNU General Public License or a similar open source software license.

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What’s included? »

Download FreeDOS 1.2 »

Classic games

Dark ForcesYou can play your favorite DOS games on FreeDOS. And there are a lot of great classic games to play: Wolfenstein 3D, Doom, Commander Keen, Rise of the Triad, Jill of the Jungle, Duke Nukem, and many others!

Legacy software

DOS Zip CommanderNeed to recover data from an old business program? Or maybe you need to run a report from your old finance system? Just install your legacy software under FreeDOS, and you’ll be good to go!

Embedded systems

DOS point of saleMany embedded systems run on DOS, although modern systems may instead run on Linux. If you support an older embedded system, you might be running DOS. And FreeDOS can fit in very well.

What's New?

NASM 2.13.02

On Nov. 29, hpa and pals released NASM 2.13.02. Noticeable changes: -- option -MW to quote dependency outputs according to Watcom Make conventions instead of POSIX Make conventions (see Section 2.1.11), -- the obj output format now contains embedded dependency file information, unless disabled with %pragma obj nodepend (see Section 7.4.9). For full revision history, see here. Download binaries and (BSD 2-clause) sources at their website or mirrored at iBiblio under /devel/asm/nasm/ .

FreePascal 3.0.4

On Nov. 28, the FreePascal developers released FPC 3.0.4, a minor bugfix release. You can read user changes, read the online docs, or download binaries and GPLv2 sources from either SourceForge or iBiblio mirror. Note that cross-compilers for the i8086-msdos target exist (but still not for Go32v2 host yet ... use HX!).

FreeDOS Edlin 2.17

Gregory Pietsch writes with news about FreeDOS Edlin: "Just in time for Christmas, I received notification of a bug in FreeDOS Edlin. The bug happened when the user attempts to open a non-existent file. Well, in version 2.17, it's a bug no more! I also cleaned up the configure script a little, because the old configure.in file looked past its prime and had stuff in it that I wasn't using." You can find it at FreeDOS Edlin at SourceForge. Thanks!

Blocek 1.6

Laaca recently announced "After a quite long period I prepared a new version of my unicode (and not unicode) text editor and image viewer Blocek." Features include: - fixed graphical glitch causing garbage in some circumstancies when opening a new window - mouse sometimes caused noticeable slowdown of program - reenabled the char typing using ALT + <codes on="" numeric="" keyboard=""> - fixed crash when "word wrapping" on empty file was selected + implemented function keys CTRL+right arrow and CTRL+left arrow + implemented function CTRL+A (select all) + CTRL+Del deletes selected block + selected blocks are now visible just in the text + program language can be switched directly from menu system (no manual editing of conf. files is needed). You can download the latest release from Laaca's website.

DJGPP port of GCC-5.5.0

On USENET, in comp.os.msdos.djgpp, Andris Pavenis posted about the updated DJGPP port of GCC-5.5.0. See the GCC 5 website for more information about GCC-5.5.0 and about changes in comparison with earlier versions. You can find the announcement of the DJGPP port of GCC-5.5.0 also at Google Groups with links to all the downloads.