source: clfs-embedded/bootscripts/clfs/etc/rc.d/startup @ 2d71b54

#!/bin/ash

# System Startup Script
# 

PATH=/bin:/sbin:/usr/bin:/usr/sbin

. /etc/rc.d/init.d/functions

echo -n "Mounting proc: "
mount /proc
check_status

echo -n "Mounting sysfs: "
mount -t sysfs none /sys
check_status

echo -n "Mounting dev: ""
mount -n -t tmpfs -o mode=0755 udev /dev
check_status
echo -n "Copying static devices to dev: "
cp --preserve=all --recursive --remove-destination /lib/udev/devices/* /dev
check_status
chmod 1777 /dev/shm
echo "" > /sys/kernel/uevent_helper
echo -n "Starting udev daemon: "
/sbin/udevd --daemon
check_status
mkdir -p /dev/.udev/queue
echo -n "Populating dev: "
/sbin/udevtrigger
check_status
echo -n "Waiting for udev to finish: "
/sbin/udevsettle
check_status

echo -n "Setting system clock: "
hwclock --hctosys --utc
check_status

echo "Starting fsck for root filesystem."
fsck -T -C /
if [ "$?" -gt 2 ]; then
        echo "WARNING: Errors found while checking root filesystem."
        echo "You can login as root now, the system will reboot after logout."
        sulogin
        reboot
elif [ "$?" = "2" ]; then
        echo "NOTICE: System needs to be rebooted now."
        sleep 1
        reboot
else
        echo -n "Checking root filesystem: "
        check_status
fi

echo -n "Remounting root rw: "
mount -o remount,rw /
check_status

echo -n "Mounting devpts: "
mount /dev/pts
check_status

echo "Starting fsck for local filesystems."
fsck -A -C -R -T -t nonfs,nosmbfs
if [ "$?" -gt 2 ]; then
        echo "WARNING: Errors found while checking filesystems."
        echo "You can login as root now, the system will reboot after logout."
        sulogin
        reboot
elif [ "$?" = "2" ]; then
        echo "NOTICE: System needs to be rebooted now."
        sleep 1
        reboot
else
        echo -n "Checking local filesystems: "
        check_status
fi

echo -n "Enabling swap space: "
swapon -a
check_status

echo -n "Setting hostname: "
hostname -F /etc/HOSTNAME
check_status

echo -n "Cleaning up system: "
> /var/run/utmp
touch /var/log/wtmp
touch /var/log/messages
chmod 0664 /var/run/utmp
chmod 0664 /var/log/wtmp
chmod 0660 /var/log/messages
rm -rf /tmp/*
rm -f /var/run/*.pid
check_status

echo -n "Setting up interface lo: "
ifconfig lo up 127.0.0.1
check_status

echo "Running local start scripts."

for i in /etc/rc.d/start/*
do
        if [ -x $i ]; then
                $i start
        fi
done