FreeDOS is a complete, free, 100% MS-DOS compatible operating system. Works on old hardware, in DOS emulators, and in embedded systems.
FreeDOS can be used 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.
FreeDOS includes many modern features not found in MS-DOS, or features that are significantly improved from MS-DOS. These features include:
Multi-boot with Windows, including Windows 95 - Windows 2003, Windows NT, Windows XP, and Windows ME
FREECOM command line shell
7ZIP and InfoZip ZIP/UNZIP file archive programs
ARACHNE graphical web browser and email client
CD-ROM support with XCDROM and SHSUCDX (similar to MSCDEX)
CUTEMOUSE mouse driver with scroll wheel support
EDIT and SETEDIT multi-window text editors
FAT32 file system support
FDAPM power management: APM info/control/suspend/poweroff, ACPI throttle, HLT energy saving
FDAV anti-virus and virus scanner
FDNPKG package manager, with network support
GRAPHICS prints to ESC/P, HP PCL and PostScript printers
HTMLHELP help viewer
JEMM386 (XMS, EMS) memory manager
32-bit protected mode drivers as JLMs (JEMM Loadable Modules)
LBACACHE disk cache
LBA large disk support
LFN support via DOSLFN driver
MPXPLAY media player: mp3, ogg, wmv with built-in AC97 and SB16 drivers
PG text viewer (similar to LIST)
Several utilities ported from Linux thanks to DJGPP
UDMA drivers for hard disks and DVD drives: XDMA & XDVD
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