System for transferring resident programs to virtual area and re

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36424611, 3642432, 3642433, 3642811, 3649643, 3649664, 364DIG1, 364DIG2, G06F 1202, G06F 944

Patent

active

052126331

ABSTRACT:
A DOS computer system which effectively extends the DOS main memory capacity without the addition of supplemental random access memory (RAM) to the DOS main memory. The system enables application programs to be transferred from secondary hard disk memory to RAM on an as needed basis and enable active application programs in RAM to be placed in suspension in virtual memory for instantaneous recall to RAM to become active application programs and be executed from the point at which the application program was suspended for transfer to virtual memory.

REFERENCES:
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patent: 4215407 (1980-07-01), Gomola et al.
patent: 4768150 (1988-08-01), Chang et al.
patent: 4780821 (1988-10-01), Crossley
patent: 4897780 (1990-01-01), Lakness
patent: 4912628 (1990-03-01), Briggs
patent: 4967353 (1990-10-01), Brenner et al.
Edward Mendelson, Swap Shuffles RAM-hungry TSRs to Hard Disk, EMS PC Magazine vol. 8, No. 8, p. 54, Apr. 25.
Edward Mendelson, Headroom One-Ups Software Carousel with memory management innovations PC Magazine vol. 8, No. 4, p. 38 Feb. 28, 1989.

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