URI: 

   DIR Grub
   DIR Grub2
   DIR Systemd
  HTML changing_runlevel_when_booting
  HTML creating_your_own_init_scripts
  HTML grub
  HTML inittab
  HTML insserv
  HTML interactive_boot
  HTML kernel_boot_parameter_init_bin_bash
  HTML rescue_mode
  HTML rhel_rc_scripts
  HTML root_password_recovery
  HTML runlevels
  HTML serial_console
  HTML standard_init_script_actions
  HTML suse_rc_scripts
  HTML switchboard
  HTML systemd
  HTML using_virtual_consoles