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Introduction -
This report will look at various access control methods used by Operating Systems (OS) to control user access to files on a computer and what they can do once they have gained access. In this first section I will look at methods such as Access Control Lists(ACL’s), Capabilities and Encrypting file systems(EFS) and which Operating Systems use these as well as the advantages and disadvantages they have over each other. The second part of my report will focus on one OS and explain in detail the methods it uses to control file access and how it works.




























Section A - Review of File Access Control mechanisms.

Access Control Lists -
Access Control Lists are used by OS’s such as Windows and UNIX. An ACL is a table that informs the OS of each users access rights to an object within the system, the object could be a program, a single file or a folder. Although ACL’s do the same task in a similar way, the......

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Approximate Word Count: 3005
Approximate Pages: 13 (250 words per double-spaced page)

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