FreeDOSNews 5 min read
FreeDOS 1.1 Ships, Six Years After 1.0
FreeDOS 1.1 arrived January 2, 2012 with kernel 2040, mTCP, initial UHCI USB support and UIDE, while its official notes documented installer limits.
#news#freedos#release
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FreeDOS posts
Memory models, FAT, interrupts, and the open-source continuation of the original PC OS.
FreeDOSNews 5 min read
FreeDOS 1.4 Ships After Three Years, Refreshing Core Tools
FreeDOS 1.4 shipped April 5, 2025 with FreeCOM 0.86, FDISK and mTCP fixes, reorganized media, monthly-test-release input, and the proven 1.3 kernel.
#news#freedos#release
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FreeDOS Turns 25, and Jim Hall Tells the Origin Story Again
FreeDOS marked 25 years on June 29, 2019 with Jim Hall's account of PD-DOS, early utilities, community-built FreeCOM and kernel work, and three stable releases.
#news#freedos#anniversary
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Microsoft Declares MS-DOS 6.22 and Earlier Obsolete
Microsoft's archived table records December 31, 2001 as DOS support retirement, but its surviving row names MS-DOS 6.0 rather than 6.22.
#news#ms-dos#end-of-life
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Jim Hall Posts the PD-DOS Announcement That Became FreeDOS
Jim Hall's June 29, 1994 Usenet post proposed PD-DOS with a manifest and task list; contributors responded, and the GPL project became Free-DOS within weeks.
#news#freedos#jim-hall
Read more FreeDOSDeep Dive 5 min read
Upper Memory Blocks and Loading TSRs High
How DOS users reclaimed conventional memory by relocating drivers and TSRs into unused upper memory gaps, which varied by machine and BIOS.
#umb#tsr#memory-optimization
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XMS, EMS, and the Many Kinds of DOS Memory Beyond 640K
Why DOS ended up with three separate, incompatible ways to access memory beyond the conventional 640K barrier, and what each one was actually solving.
#xms#ems#memory-management
Read more FreeDOSFix 3 min read
Fixing DOSLFN Long Filename Problems on FreeDOS
Why long filenames appear truncated in some programs but not others even with DOSLFN loaded, and how to tell which behavior is actually expected.
#fix#doslfn#filenames
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Fixing Incorrect Date and Time on FreeDOS
How to distinguish a dying CMOS battery from a software configuration issue when FreeDOS boots with the wrong date or time every session.
#fix#rtc#date-time
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FreeDOS 1.0 Released, 12 Years After the Project Began
FreeDOS 1.0 arrived September 3, 2006 with installable base and full distributions, a boot floppy, package tools, source media, and a LiveCD option.
#news#release#freedos
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