Update, July 5, 2021: It's the July 4 holiday weekend in the US, which means Ars staff gets a well-deserved holiday to catch up on this summer's Steam sale (or maybe just to rest). As such, we're ...

Microsoft has released MS-DOS as open-source software -- again -- but this time, on GitHub. Party like it's 1983, baby. Share on Facebook (opens in a new window) Share on X (opens in a new window) ...

The high-performance DOS shell and erstwhile Windows competitor is now open source, with plans underway to create a modern SDK for Windows and Linux. GEOS is getting a fifth shot at life, as the 1990s ...

If when you try to move, delete, copy, or rename files/folders in Windows 11/10 and you receive the Invalid MS-DOS Function file error message, then this post will ...