Segmented storage logging and controlling for partial entity sel

Details Segmented storage logging and controlling for partial entity sel Segmented storage logging and controlling for partial entity sel

1977-01-25

1980-04-15

Boudreau, Leo H.

Boots, shoes, and leggings

G06F 1306

Patent

active

041986814

ABSTRACT:
A system and method are disclosed for controlling text storage in a text processing system using a segmented, serial bulk storage device. A plurality of storage segments of equal length are further subdivided into portions of equal length. A typical page of text occupies more than one portion of a segment. During system operation a log or directory is built and written, in updated form, onto a portion of the storage after any text data is written onto the storage. As many portions of a page on the storage as there are corresponding whole integer portions in the text processing system memory are transferred to the memory when an entity is selected for transfer from the storage device to the memory. The provision is also made to continue transferring the remaining portions of a page to the text processing system memory when room becomes available in the text processing system memory for inclusion of this text data. Finally a technique for condensing the text data on the storage by removal of the numerous unused portions of segment that may appear during an extensive revision of a text processing job is disclosed.

REFERENCES:
patent: 3241125 (1966-03-01), Tomasulo et al.
patent: 3693159 (1972-09-01), Hilberg
patent: 3760376 (1973-09-01), Tanner
patent: 3805252 (1974-04-01), Morris et al.
patent: 3824551 (1974-07-01), Arciprete et al.

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