SELinux stands for Security-Enhanced Linux.
SELinux on github: https://github.com/SELinuxProject/selinux
sestatus : Get SELinux status getenforce : get the current mode of SELinux
[tuyen@g73jh ~]$ sestatus SELinux status: enabled SELinuxfs mount: /sys/fs/selinux SELinux root directory: /etc/selinux Loaded policy name: targeted Current mode: enforcing Mode from config file: enforcing Policy MLS status: enabled Policy deny_unknown status: allowed Memory protection checking: actual (secure) Max kernel policy version: 32 [tuyen@g73jh ~]$
[tuyen@g73jh ~]$ getenforce Enforcing [tuyen@g73jh ~]$