rc3 man page on DigitalUNIX

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rc3(8)									rc3(8)

       rc3 - Run command script executed when entering a multiuser run level


       The  rc3 script contains run commands that enable initialization of the
       system to a multiuser state; run	 level	3.  In	addition  to  commands
       listed  within the script itself, rc3 contains instructions to run cer‐
       tain commands found in the /sbin/rc3.d directory.  The  script  defines
       the  conditions	under which the commands execute; some commands run if
       the system is booting, other commands execute if the system is changing
       run levels.

       By  convention, files in the rc3.d directory begin with either the let‐
       ter "S" or the letter "K" and are followed by a two-digit number and  a
       filename; for example:

       S00inet	   S55inetd	S70mount     S65lpd

       In  general,  the system starts commands that begin with the letter "S"
       and stops commands that begin with the letter "K." Commands that	 begin
       with  the  letter  "K"  run only when the system is changing run levels
       from a higher to a lower level.	Commands that begin  with  the	letter
       "S"  run	 in  all  cases.  The numbering of commands in the /sbin/rc3.d
       directory is important since the numbers are sorted  and	 the  commands
       are  run	 in  ascending	order.	Files in the /sbin/rc3.d directory are
       normally links to files in the /etc/init.d directory.

       An entry in the inittab file causes the system to execute the  rc3  run
       commands, for example:

       s3:3:wait:/sbin/rc3 < /dev/console > /dev/console 2>&1

       The  following operations are typical of those that result from execut‐
       ing the rc3 script and the commands located in the  /sbin/rc3.d	direc‐
       tory.   The  operation depends on which state the system is entering or
       exiting.	 Setting the time zone Checking the current run level Starting
       network services and daemons Starting (or stopping) system services and
       daemons Mounting file systems

       Setting the TIMEZONE variable is one of the first operations  completed
       by the rc3 script.  This action provides the default time zone for sub‐
       sequent commands.

       Specifies the command path Specifies the	 directory  of	commands  that
       correspond to the run level

       Commands: init(8), rc0(8), rc2(8)


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