This file is indexed.

/usr/bin/lsinitramfs is in initramfs-tools-core 0.130ubuntu3.

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
#!/bin/sh

set -eu

usage()
{
	echo "Usage: $(basename $0) [-l] <initramfs file>"
}

if [ "$#" -eq 0 ] ; then
	usage >&2
	exit 1
fi

umi_opts="--list"

OPTIONS=`getopt -o hl --long help,long -n "$0" -- "$@"`
# Check for non-GNU getopt
if [ $? != 0 ] ; then echo "W: non-GNU getopt" >&2 ; exit 1 ; fi

eval set -- "$OPTIONS"

while true; do
        case "$1" in
        -h|--help)
		usage
		exit 0
	;;
	-l|--long)
		umi_opts="${umi_opts:+${umi_opts} --verbose}"
		shift
	;;
	--)
		shift
		break
	;;
	*)
		echo "Internal error!" >&2
		exit 1
	esac
done

for initramfs in "$@" ; do
	unmkinitramfs $umi_opts -- "$initramfs"
done