JPS5911346U

JPS5911346U - File destruction prevention device

Info

Publication number: JPS5911346U
Application number: JP10185582U
Authority: JP
Inventors: 「が」山　武敏
Original assignee: 株式会社日立製作所; 日立エンジニアリング株式会社
Priority date: 1982-07-07
Filing date: 1982-07-07
Publication date: 1984-01-24

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は処理プログラムと本考案の一実施例のフィルタ
ールーチンとフィルターテーブルと書込み対象のファイ
ルとの関連図、第２図は本考案の一実施例のフィルター
ルーチンの構成図、第３図は本考案の一実施例のフィル
タールーチンの概略フローである。１．２・・・処理プログラムを含むシステム、３〜６・
・・処理プログラム、７〜８・・・フィルタールーチン
、９・・・フィルターテーブル、１０・・・各種フィル
ター情報、１１・・・各種情報の記憶テーブル、１２〜
１５・・・各種ファイル。Figure 1 is a diagram of the relationship between a processing program, a filter routine in an embodiment of the present invention, a filter table, and a file to be written, Figure 2 is a configuration diagram of a filter routine in an embodiment of the present invention, and Figure 3 is 1 is a schematic flowchart of a filter routine according to an embodiment of the present invention. 1.2...System including processing program, 3-6.
... Processing program, 7-8... Filter routine, 9... Filter table, 10... Various filter information, 11... Storage table for various information, 12-
15... Various files.

Claims

[Scope of utility model registration request]

In a computer system consisting of multiple programs and multiple files accessed by these programs,
system attributes, names, addresses of the plurality of files;
A file destruction prevention device comprising a filter table having file information such as file size and trap information, and a filter routine for preventing the file from being destroyed based on the filter table.