Use
rpm -qa | less
on ubuntu
sudo dpkg --get-selections
on debian
dpkg --get-selections
On FreeBSD
pkg_version | less
On OpenBSD
pkg_info | less
Use
rpm -qa | less
on ubuntu
sudo dpkg --get-selections
on debian
dpkg --get-selections
On FreeBSD
pkg_version | less
On OpenBSD
pkg_info | less