Table New Shipments of Personal Computer Operating Systems Company Operating 1990 1991 1992 system Microsoft MS-DOS 11,648 13,178 18,525 w/windows 490 2,440 11,056 w/o Windows 11,158 10,738 7,469 IBM PC-DOS
3,031 3,003 2,315 DRI/Novell DR-DOS 1,737 1,819 1,617 DOS Subtotal 16,603 18,288 22,847 Apple Macintosh 1,411 2,204 2,570 UNIX UNIX 357 582 797 IBM OS/2 0 0 409 Other NEC, etc.
In a departure from traditional micro-to-mainframe links, Forte recently introduced a host-based software "environment" that enables IBM PC users to access host facilities and files through the same, familiar PC-DOS
commands used to call up locally stored data.
Designed to operate with the firm's 32:16 CPU, the workstations range from a basic keyboard-display unit listing for $795 to a workstation that runs either Unix or PC-DOS
applications and lists for $7,085, including a 10M-byte Winchester disk drive.
HARDWARE: IBM XT, AT, PS/2, and compatibles; 4MB hard disk space, 256K RAM; PC-DOS
or MS-DOS 2.0 or higher; printer optional.
The name DOS has been used by several computer manufacturers for various operating systems (i.e., Apple DOS, PC-DOS
ATB requires the following hardware and software: IBM PC (any model) or compatibles; minimum of 640K bytes memory; MS-DOS or PC-DOS
version 3.1 or higher; hard disk drive; printer with at least 132 column capacity.
The software runs on the company's Model 5550 personal computer under PC-DOS
. Unfortunately, the package is sold exclusively in the Far East.
The LCRD programs are currently available in MS-DOS and PC-DOS
, and are now used by Hewlett Packard on its HP-150.