SELinux的全称是Security-Enhanced Linux，是由美国国家安全局NSA开发的访问控制体制。SELinux可以最大限度地保证Linux系统的安全。此pdf文件包含了SElinux的详细介绍。-The full name of SELinux is Security-Enhanced Linux, is by the United States National Security Agency NSA access control system development. SELinux can be guaranteed to maximize the safety of Linux systems. This pdf file contains the SElinux introduction.