Fedora, CentOS and RHEL allow the console user to perform an interactive system start-up by pressing [I]key. Using interactive boot, attacker can disable the security services and may get access to system then better to disable this service.
01. Login as root
02. Edit this system file
[root@daddylinux~]# nano /etc/sysconfig/init
03. Go to end of the file
You will see PROMPT=yes it’s change to PROMPT=no