The DR DOS® team has released version 9.0, a clean-room reimplementation of Gary Kildall's original operating system. Originally developed by Digital Research Inc. in 1988, DR DOS offered technical advantages over MS-DOS and is now being revived for modern enthusiasts and developers.

This latest release, DR DOS 9.0 Revision 330, launched March 14, 2026, includes a comprehensive suite of tools. The distribution features core file management commands, a full-featured EDIT text editor with colored display and clipboard support, and advanced utilities like HEXDUMP for debugging.

For hackers and experimenters, DR DOS 9.0 includes unique memory manipulation commands (PEEK, POKE, JMP) that enable direct system memory access. The operating system targets DOS enthusiasts, retrocomputing hobbyists, developers interested in operating system internals, and anyone curious about PC operating system heritage.