Method for extended file access

Details Method for extended file access Method for extended file access

1994-09-09

1996-01-09

Kriess, Kevin A.

Boots, shoes, and leggings

364DIG1, 364280, G06F 944

Patent

active

054836557

ABSTRACT:
A method of extended file access that allows a program running on a computer to access file types, beyond the "standard" file types whose formats have been pre-defined to the operating system, by placing the extended file data in a range of addresses outside the range of addresses of the recorded file data. The extended file data is accessed by positioning a file pointer to a location in the extended range of addresses, and accessing the extended file data at the location of the file pointer. A further embodiment includes preventing further access until the file pointer is repositioned. In this way, extended file data, such as additional characteristics of the file, can be accessed, though these characteristics are not specifically known to the operating system.

REFERENCES:
patent: 4825354 (1989-04-01), Agrawal et al.
patent: 5155809 (1992-10-01), Baker et al.
Unix Programmer's Manual, 7th Edition, Bell Telephone Laboratories, Inc., Copyright 1979, 1983, pp. 210, 226, 230,231, 240.

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