postinst is in most 5.0.0a-2.3.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 | #!/bin/sh -e
case "$1" in
	configure)
		update-alternatives --quiet --install /usr/bin/pager pager \
			/usr/bin/most 60 --slave /usr/share/man/man1/pager.1.gz \
			pager.1.gz /usr/share/man/man1/most.1.gz
		;;
esac
 |