Penguin Magazine: System V Init

[ Thanks to Raul
for this link. ]

“Derived from AT&T’s “System V” Unix, the Linux init
process is designed to control the startup and shutdown of system
services, or “daemons.”
Similar to Safe Mode in Windows 95/98,
the init process allows for different startup configurations or

“The init process affords us a great deal of flexibility and
functionality by providing:

  • Simplified administration – Services are controlled in a
    consistent manner, from a centralized location.
  • Customization – Each runlevel can be customized to provide
    distinct start up configurations.
  • Troubleshooting – Administrators can use the various runlevels
    to resolve startup and shutdown issues.”