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Method and device for backing up Unix-like operating system at multiple time points

A technology of operating system and system backup, applied to redundancy in computing for data error detection and response error generation, etc., can solve problems such as non-save, lost and modified

Inactive Publication Date: 2014-05-07
BAOLONG COMP SYST HUNAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the operating system started by the boot image file can be modified during operation, but the modified content is not saved after the system exits, so that when the user uses the image file to start the operating system next time, the previous modification will be lost, and when running When the system is running, the user cannot choose to backup and restore the system according to the point in time

Method used

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  • Method and device for backing up Unix-like operating system at multiple time points
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  • Method and device for backing up Unix-like operating system at multiple time points

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Embodiment Construction

[0022] The present invention will be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the invention are illustrated. The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0023] Unix-like systems (Unix-like) refer to various traditional Unix systems, such as FreeBSD, OpenBSD, Solaris of SUN, and various systems similar to traditional Unix, such as Minix, Linux, QNX, etc., which have inherited to a considerable extent The characteristics of the original UNIX ...

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Abstract

The invention discloses a method and a device for backing up a Unix-like operating system at multiple time points. The method comprises the following steps of packing increment files into a plurality of increment image files corresponding to different time points according to time sequence; when the Unix-like operating system is started, performing merged running on a basic image file and one or more increment image files in the increment image files according to time sequence to establish new increment files. By the method and the device, different backups can be selected for running the operating system according to different time points, the modification made by the system can be saved, the backup and recovery at multiple state points can be implemented according to time, bidirectional recovery can be realized, and the system can be recovered to a front time point, and can also be recovered from the front time point to a back time point.

Description

technical field [0001] The invention relates to the technical field of Unix-like operating systems, in particular to a method and device for backing up a Unix-like operating system at multiple time points started based on an image file. Background technique [0002] Image file, also known as image file (image), is a file that combines data and programs. After format conversion, the source data is stored on the hard disk as a file that is exactly the same as the content of the destination CD. This file can be It is engraved into the disc in a one-to-one correspondence. For example, the image file is a complete copy file on the CD, including all the information on the CD, and requires special virtual CD-ROM software to load this image file and read it, which completely simulates the characteristics of reading CD files, for example, in this respect The popular software includes Alcohol, Deam Tools, etc. Before making an image file, do data reorganization and disk scanning on ...

Claims

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Application Information

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IPC IPC(8): G06F11/14
Inventor 邓庆华
Owner BAOLONG COMP SYST HUNAN
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