A File System Design Based on Partitioned Operating System
This paper involves a file system design method based on partitioned operating system to solve the problem of secure access to files under partitioned operating system.The partition operating system re-sources and space are isolated from each other,and the file system is used to manage partition data,which cannot violate the isolation requirements of data resources.To the end,the file system is deployed in the partition of the partition operating system,two-layer partition security access control is adopted inside and outside the partition,and snapshot management is used to realize the file system's own parallel file access requirements,so as to realize the file system design.The test results show that the proposed method can a-chieve secure access to files under the design constraints of the partitioned operating system.
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