This file is indexed.

/etc/init.d/rcS is in file-rc 0.8.15.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
#! /bin/sh
#
#   rcS - Help to boot the system into single user mode
#   Copyright (c) 1998  Martin Schulze <joey@debian.org>
#                 1998  Winfried Trümper <winni@xpilot.org>
#                 1998  Miquel van Smoorenburg <miquels@cistron.nl>
#            1999-2000  Roland Rosenfeld <roland@spinnaker.de>
#	     	  2010  Alexander Wirt <formorer@formorer.de>
#
#   This program is free software; you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation; either version 2 of the License, or
#   (at your option) any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with this program; if not, write to the Free Software
#   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
#   Ideas taken from rcS as provided by the sysvinit package and from
#   the file-rc /etc/init.d/rc program

PATH=/sbin:/bin:/usr/sbin:/usr/bin
runlevel=S
prevlevel=N
umask 022
export PATH runlevel prevlevel

CFGFILE="/etc/runlevel.conf"
BAKCFG="/etc/runlevel.fallback"

#
#	See if system needs to be setup. This is ONLY meant to
#	be used for the initial setup after a fresh installation!
#
if [ -x /sbin/unconfigured.sh ]
then
  /sbin/unconfigured.sh
fi

#
#	Source defaults.
#
. /etc/default/rcS
export VERBOSE

#
#	Trap CTRL-C &c only in this shell so we can interrupt subprocesses.
#
trap ":" INT QUIT TSTP

element() {
    element="$1"
	
    [ "$2" = "in" ] && shift
    list="$2"
    [ "$list" = "-" ] && return 1
    [ "$list" = "*" ] && return 0

    ORGIFS="$IFS"
    IFS=","
    set -- $list
    IFS="$ORGIFS"
    case $element in
	"$1" | "$2" | "$3" | "$4" | "$5" | "$6" | "$7" | "$8" | "$9")
	    return 0
    esac
    return 1
}

CMDLIST="set centerline=here"

#
# If $CFGFILE isn't available, try the fallback:
#
if [ ! -f "$CFGFILE" ]
then
    echo "Missing configuration file '$CFGFILE' using fallback config."

    if [ -f "$BAKCFG" ]
    then
	CFGFILE="$BAKCFG"
    else
	echo "No configuration file at all. You're in serious trouble now."
	CFGFILE="/dev/null"
    fi
fi

# read the file...
while read  SORT_NO  OFF_LEVELS  ON_LEVELS  CMD  OPTIONS
do
    case "$SORT_NO" in
	\#* | "") continue ;;
    esac
    [ ! -f "$CMD" ] && continue

      # continue only if CMD was not started in previous runlevel
    if element "$runlevel" in "$ON_LEVELS"
    then
			STARTS="$STARTS $SORT_NO:$CMD" 
    fi

done < $CFGFILE

for x in 0 1 2 3 4 5 6 7 8 9
do
	for y in 0 1 2 3 4 5 6 7 8 9
	do
		for entry in $STARTS 
		do
			SORT_NUM=${entry%%:*}
			CMD=${entry#*:}
			if [ $SORT_NUM -eq $x$y ]
			then
        			# append CMD to the list of
        			case "$CMD" in
        				*.sh)  CMDLIST="$CMDLIST; (set -- start; . $CMD)" ;;
        				*)     [ -x "$CMD" ] && CMDLIST="$CMDLIST; $CMD start" ;;
        			esac
			fi
		done
	done
done

# Execute the commands collected above
(trap - INT QUIT TSTP; sh -c "$CMDLIST")

#
#	For compatibility, run the files in /etc/rc.boot too.
#
[ -d /etc/rc.boot ] && run-parts /etc/rc.boot

#
#	Finish setup if needed. The comment above about
#	/sbin/unconfigured.sh applies here as well!
#
if [ -x /sbin/setup.sh ]
then
  /sbin/setup.sh
fi