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rcS(5)			 Debian Administrator's Manual			rcS(5)

NAME
       rcS - variables that affect the behavior of boot scripts

DESCRIPTION
       The /etc/default/rcS file contains variable settings in POSIX format:

	    VAR=VAL

       Only  one assignment is allowed per line.  Comments (starting with '#')
       are also allowed.

OPTIONS
       The following variables can be set.

       TMPTIME
	      On boot the files in /tmp will be deleted if their  modification
	      time,  file status time and access time are all at least TMPTIME
	      days ago.	 A value of 0 means that files are removed  regardless
	      of  age.	 If  you  don't want the system to clean /tmp then set
	      TMPTIME to a negative value (e.g., -1) or to the word infinite.

       SULOGIN
	      Setting this to yes causes init to spawn a sulogin on  the  con‐
	      sole  early  in the boot process.	 If the administrator does not
	      login then the sulogin session will time out  after  30  seconds
	      and the boot process will continue.

       DELAYLOGIN
	      Normally the system will not let non-root users log in until the
	      boot process is complete and the system has  finished  switching
	      to  the  default runlevel (usually level 2).  However, in theory
	      it is safe to log in a bit earlier, namely, as soon as inetd has
	      started.	 Setting the variable to no allows earlier login; set‐
	      ting the variable to yes prevents it.

	      Some details: The DELAYLOGIN variable controls  whether  or  not
	      the file /var/lib/initscripts/nologin is created during the boot
	      process and deleted at the end of it.  /etc/nologin is  normally
	      a symbolic link to the latter location, and the login(1) program
	      refuses to allow non-root logins so  long	 as  (the  target  of)
	      /etc/nologin  exists.   If you set the variable to no then it is
	      advisable to ensure that /var/lib/initscripts/nologin  does  not
	      exist.

       UTC    This  is	used  to  govern  how  the hardware real time clock is
	      interpreted when it is read (e.g., at boot time, for the purpose
	      of  setting  the	system clock) and when it is written (e.g., at
	      shutdown).  If this option is set to no then the system clock is
	      assumed  to  be  set to local time.  If the option is set to yes
	      then the system clock is assumed to be set to something approxi‐
	      mating  Coordinated Universal Time (UTC).	 (POSIX systems keep a
	      variant of UTC, without leap seconds.)

	      On  contemporary	Debian	systems	 (although  change  has	  been
	      requested at http://bugs.debian.org/346342), if UTC is set to no
	      then /usr/share/zoneinfo must be	readable  early	 in  the  boot
	      process.	If you want to keep /usr on a separate filesystem then
	      you must still ensure that the target of	/etc/localtime	points
	      to  the  correct	zone information file for the time zone of the
	      time kept in your hardware real time clock.

       VERBOSE
	      Setting this option to no (in lower case)	 will  make  the  boot
	      process  a  bit  less  verbose.  Setting this option to yes will
	      make the boot process a bit more verbose.

       FSCKFIX
	      When the root and all other file systems are  checked,  fsck  is
	      invoked  with  the -a option which means "autorepair".  If there
	      are major inconsistencies then the fsck process will  bail  out.
	      The  system  will	 print	a  message asking the administrator to
	      repair the file system manually and will present	a  root	 shell
	      prompt (actually a sulogin prompt) on the console.  Setting this
	      option to yes causes the fsck commands to be  run	 with  the  -y
	      option  instead of the -a option.	 This will tell fsck always to
	      repair the file systems without asking for permission.

NOTE
       The EDITMOTD and RAMRUN variables are no longer used.

AUTHOR
       Miquel	 van	Smoorenburg    <miquels@cistron.nl>    Roger	 Leigh
       <rleigh@debian.org>

SEE ALSO
       hwclock(5), hwclock(8), inetd(8), init(8), inittab(5), login(1),

				  21 May 2012				rcS(5)
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