SACLs stands for System access control. It provides a security access control strategy, that controls what resources can be used in a computer system that was a failure. Entry to schools, offices, rooms and other IT resources are regulated by physical security control.
It provides control access to some locations that are found inside the premises, the access control services can be used.
An access control system aims to give those authorized persons quick and convenient access while limiting access to unauthorized people at the same time.