Check the execution mode of SELinux:
getenforce
List current supported context types defined in the SELinux policy:
getenforce -L
Display all context types defined in the SELinux policy:
getenforce -l
Display all modules defined in the SELinux policy:
getenforce -m
Display a module defined in the SELinux policy:
getenforce -M
Display SELinux status information:
getenforce -S