/usr/sbin/dpkg-unhold is in dlocate 1.02+nmu3.
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 | #! /bin/bash
# dpkg-unhold -- command line tool to flag package(s) as held.
#
# by Craig Sanders, 1998-10-26. This script is hereby placed into the
# public domain.
#
# BUGS: this script has absolutely no error checking. this is not good.
if [ -z "$*" ] ; then
echo "Usage:"
echo " dpkg-unhold <package...>"
exit 1
fi
for i in $@ ; do
echo "$i install"
done | dpkg --set-selections
|