File deletion system in a file unit

Details File deletion system in a file unit File deletion system in a file unit

1984-12-11

1987-05-05

Shaw, Gareth D.

Boots, shoes, and leggings

G06F 314

Patent

active

046637362

ABSTRACT:
Deletion of a particular message in a file unit is accomplished for those messages with deletion set code in a file directory displayed on a screen. Operation of the deletion of a message includes (a) depression of a "deletion" key for indicating a file directory on a screen, (b) designating messages to be deleted by depression of a deletion set/reset key to change a deletion set/reset code to a set code, and (c) execution of deletion by the depression of a "deletion execution" key to delete a message with said deletion set code. A file directory indicated on a screen includes a deletion set/reset code, a message number, nature of a message, length of a message, and first 60 characters of a message, which simplifies identification of a message to be deleted.

REFERENCES:
patent: 4181954 (1980-01-01), Rosenthal et al.
patent: 4202041 (1980-05-01), Kaplow et al.
patent: 4435777 (1984-03-01), McCaskill et al.
patent: 4464719 (1984-08-01), Spellmann
patent: 4481603 (1984-11-01), McCaskill et al.
patent: 4491933 (1985-01-01), Ursln et al.
patent: 4520454 (1985-05-01), Dufour et al.

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