Novell LINUX ENTERPRISE SERVER 11 - ADMINISTRATION Administration Manual page 84

All of these settings may also be changed with the help of the YaST module. If you
need to check the status on the command line, use the tool chkconfig, described in the
chkconfig(8) man page.
A short introduction to the boot and stop scripts launched first or last, respectively,
follows as well as an explanation of the maintaining script.
boot
Executed while starting the system directly using init. It is independent of the
chosen runlevel and is only executed once. Here, the /proc and /dev/pts file
systems are mounted and blogd (boot logging daemon) is activated. If the system
is booted for the first time after an update or an installation, the initial system con-
figuration is started.
The blogd daemon is a service started by boot and rc before any other one. It is
stopped after the actions triggered by these scripts (running a number of subscripts,
for example, making block special files available) are completed. blogd writes any
screen output to the log file /var/log/boot.msg, but only if and when /var
is mounted read-write. Otherwise, blogd buffers all screen data until /var becomes
available. Get further information about blogd on the blogd(8) man page.
The boot script is also responsible for starting all the scripts in /etc/init.d/
boot.d with names that starts with S. There, the file systems are checked and
loop devices are configured if needed. The system time is also set. If an error occurs
while automatically checking and repairing the file system, the system administrator
can intervene after first entering the root password. The last executed script is
boot.local.
boot.local
Here, enter additional commands to execute at boot before changing into a runlevel.
It can be compared to AUTOEXEC.BAT on DOS systems.
halt
This script is only executed while changing into runlevel 0 or 6. Here, it is executed
either as halt or as reboot. Whether the system shuts down or reboots depends
on how halt is called. If special commands are needed during the shutdown, add
these to the halt.local script.
70 Administration Guide