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# @(#)README 5.3b of Mar 9, 1988

/etc/init.d contains initialization and termination scripts
for changing init states.  These scripts are linked when appropriate
to files in the rc?.d directories.

File names in rc?.d directories are of the form [SKR]nn<init.d filename>
where 'S' means start this job, 'K' means kill this job, 'R' means
this file is only run when in the 'restart' state after power is
restored with a UPS (Uninterruptible Power Supply) installed, and 'nn'
is the relative sequence number for killing or starting the job.
When entering a state (init 2,3,5,etc.)
the rc[0-6] script executes those scripts in /etc/rc[0-6].d that are 
prefixed with 'K' followed by those scripts prefixed with 'S'.

Scripts starting with 'K' get the argument 'stop', with 'S' get the
argument 'start', and with 'R' get the argument 'restart'.

EXAMPLE: When changing to init state 2 (default multi-user mode),
	/etc/rc2 is initiated by the init process. The following
	steps are performed by /etc/rc2.

	1. In the directory /etc/rc2.are files used to stop processes 
	that should not be running in state 2.  The filenames
	are prefixed with 'K'.  Each 'K'  file in the directory is
	executed (by /etc/rc2) in alpha-numeric order when the system 
	enters init state 2.  (see example under next item).

	2. Also in the rc2.d directory are files used to start
	processes that should be running in state 2.  As in the step
	above, each 'S' file is executed.

	Example:

		The file /etc/init.d/cron is a script that will initiate
		cron when given the argument 'start',
		and will terminate cron if given the argumant
		'stop'.  It is linked to /etc/rc2.d/S75cron,
		and to /etc/rc5.d/K75cron.  
		It is executed by '/etc/rc2.d/S75cron start'
		when init state 2 is entered and by
		'/etc/rc5.d/S75cron stop' when shutting the 
		system down.

INSTALL scripts should use the init.d directory for related executables.
