SELinux is by far the most well-known MAC system for Linux (mandatory access control).

到目前为止，SELinux是针对Linux的最有名的mac系统(强制访问控制)。

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This paper chooses and realizes the privilege system role-based based on the further research between discretionary access control, mandatory access control and role-based access control.

论文在对自主访问控制、强制访问控制和基于角色的访问控制的访问控制策略及机制分析、研究基础上，选择并实现了基于角色的权限管理系统。

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