It's FOSS Apr 30, 2026 Microsoft Marks 45 Years of DOS by Open-Sourcing Its Oldest-Known Source Code Tim Paterson's 1981 assembler printouts are now transcribed, compilable, and MIT-licensed. Read Full Article on It's FOSS → 📋 Copy Link Sponsored Crucial BX500 1TB SATA SSD View on Amazon Sponsored How Linux Works View on Amazon Sponsored Raspberry Pi Camera Module 3 View on Amazon As an Amazon Associate I earn from qualifying purchases. ← Back to all articles