Originally an optional module for Concurrent CP/M-86 3.1, this version of Digital Research's CP/M provided basic compatibility with PC-DOS in 1983. Simple DOS applications that did not require hardware access can be ran on this. A stripped down single tasking version was released as DOS Plus and later DR-DOS.
Concurrent DOS 386 was a major rewrite and enhancement that made use of 386 hardware virtualization. This enables most DOS applications to run via a terminal, even if they try to access video directly. It also provides multiuser concurrent file access with record level file locking.
Download name | Version | Language | Architecture | File size | Downloads |
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Digital Research Concurrent DOS 386 3.01 (3.5) | 386 3.01 | English | 467.62KB | 2 |