Method and apparatus for substituting real and virtual devices i

Details Method and apparatus for substituting real and virtual devices i Method and apparatus for substituting real and virtual devices i

1991-09-26

1994-08-09

Coleman, Eric

Boots, shoes, and leggings

3642372, 3642443, 3642397, 364280, 364DIG1, 395800, G06F 1300

Patent

active

053374126

ABSTRACT:
A method of, and apparatus for, running several applications concurrently on a processing system. Virtual terminals are created for running the applications. However, the virtual terminals perform as though the processing system were a single terminal system. In this way, any application written for a single terminal system can run in this multiple virtual terminal environment. For interaction with one of the several applications running on this system, the real physical resources of the system are reallocated to the virtual terminal running the selected application.

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patent: 4555775 (1985-11-01), Pike
patent: 4586037 (1986-04-01), Rosener
patent: 4761642 (1988-08-01), Huntzinger
patent: 4811205 (1989-03-01), Normington
O'Reilly, J. D., Multiple Concurrent Independent Sessions on a Display Terminal, vol. 21, No. 4, Sep. 1978, pp. 1524-1525, IBM TDB.
Lantz, K. A., Rashld, R. F., Virtual Terminal Management in a Multiple Process Environment, 1979, ACM, pp. 86-97.
Meyrowitz, Moser; Bruwin, An Adaptable Design Strategy for Window Manager/Virtual Terminal Systems, 1981, ACM, pp. 180-189.

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