Digital Research Inc, Monterey, California is hopefully setting out to tweak Microsoft Corp’s tail once more, this time with what it is calling DR DOS, a single user operating system that supports all MS-DOS applications – and, like the forthcoming PC DOS 3.4, supports 512Mb disk partitions rather than the 32Mb maximum on MS-DOS 3.3. But, reports Microbytes, the new operating system is not a clone of MS-DOS, and uses some CP/M commands. The 64Kb operating system offers password protection and can be installed in ROM and costs 50% of the Microsoft alternative; it will initially be sold only to OEM customers, who asked for an entry-level version of Concurrent DOS.
