Hackernews posts about DOS

DOS is an operating system developed by Microsoft in the 1980s for use on IBM-compatible PCs, characterized by its command-line interface and ability to run programs written in MS-DOS's proprietary language, x86 assembly code.

Related: Windows 3.1   8086  
  1. DOS live USB image with tools for writers (liam-on-linux.dreamwidth.org)
  2. ABI-DOS (store.steampowered.com)