File management system for permitting user access to files in a

Details File management system for permitting user access to files in a File management system for permitting user access to files in a

1989-08-03

1991-04-30

Zache, Raulfe B.

Boots, shoes, and leggings

3642821, 3642831, G06F 1520

Patent

active

050124056

ABSTRACT:
In a file management system a plurality of information processing devices are provided with files of tree structure. The information processing devices are linked through a communication line and dispersed files are utilized by a plurality of users in common. Each of the users can construct his own file without having any influence on the others. A table is provided including a column indicating the relation of links for the case where an arbitrary branch of a tree structure, included within at least one information processing device, is linked with a part of files included within another information device and a column specifying groups, for which the relation of links is valid. Linking is only permitted for access demands from members belonging to the group for which the relation of links is indicated as valid, to the part of the files of the other information processing device.

REFERENCES:
patent: 4500960 (1985-02-01), Babecki et al.
patent: 4536837 (1985-08-01), Olsen et al.
patent: 4611298 (1986-09-01), Schuldt
Usenix, 1986, Conference Proceedings, pp. 248-259.

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