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Linux 2.6 - man page for rcs (linux section 5)

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

       rcS - variables that affect the behavior of boot scripts

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


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

       The   following	 variables   can   be	set.	For   the   default   values  please  see

	      On boot the files in /tmp will be deleted if their modification time is  more  than
	      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.

	      Setting this to yes causes init to spawn a sulogin on the console 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.

	      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; setting 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 approximating  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 hard-
	      ware real time clock.

	      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.

	      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 com-
	      mands 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.

       The EDITMOTD and RAMRUN variables are no longer used.

       Miquel van Smoorenburg <miquels@cistron.nl>

       inetd(8), init(8), inittab(5), login(1).

					   16 Jan 2006					   rcS(5)

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