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PC DOS 2.0 Microsoft: Hard disk drive, subdirectories, device drivers: IBM Personal Computer XT: November 1983: PC DOS 2.1 Microsoft: Half-height disk drives, ROM cartridges: IBM PCjr: August 1984: PC DOS 3.0 Microsoft: Support for larger disks IBM Personal Computer/AT: April 1985: PC DOS 3.1 Microsoft: Local area networking support IBM PC ...
Originally MS-DOS was designed to be an operating system that could run on any computer with a 8086-family microprocessor.It competed with other operating systems written for such computers, such as CP/M-86 and UCSD Pascal.
OS/2 1.0 was a pre-emptive multitasking, multithreading OS that allowed one real mode and multiple 16-bit protected mode sessions to run at the same time on the PC/AT based 80286 and provided as a DOS alternative announced in April 1987 and made available later that December.
A modern dos-à-dos binding. In bookbinding, a dos-à-dos binding (/ d oʊ s iː d oʊ / or / d oʊ s eɪ d oʊ /, from the French for "back-to-back") is a binding structure in which two separate books are bound together such that the fore edge of one is adjacent to the spine of the other, with a shared lower board between them serving as the back cover of both.
PC DOS 3.3, released with the PS/2 line, added support for high density 3 + 1 ⁄ 2-inch 1.44 MB floppy disk drives, which IBM introduced in its 80286-based and higher PS/2 models. The upgrade from DOS 3.2 to 3.3 was completely written by IBM, with no development effort on the part of Microsoft, who were working on "Advanced DOS 1.0".
OS/A+ 2.0, 2.1 was a disk-based replacement for the Atari DOS and the Apple II DOS. It replaced the menu-driven utilities with a compact command line approach similar to CP/M (and later, MS-DOS). The command line was small enough to remain in memory with most applications, removing the need for the dreaded post-program reload.
Kerry Washington portrays Lt. Col. Charity Adams in the Netflix film. The real-life leader was born in Kittrell, N.C., on Dec. 5, 1918, and raised in Columbia, S.C.
Ralf Brown's Interrupt List (aka RBIL, x86 Interrupt List, MS-DOS Interrupt List or INTER) is a comprehensive list of interrupts, calls, hooks, interfaces, data structures, CMOS settings, memory and port addresses, as well as processor opcodes for x86 machines from the 1981 IBM PC up to 2000 (including many clones), [1] [2] [nb 1] most of it still applying to IBM PC compatibles today.