For reference, apt can 'prune' itself regularly, have a look at /etc/cron.daily/apt, the settings for which are in /etc/apt/apt.conf.d/* - specifically 20archive.
Also, if you use synaptic to manage packages it has an option to delete a package after it has been installed.
For reference, apt can 'prune' itself regularly, have a look at /etc/cron. daily/apt, the settings for which are in /etc/apt/ apt.conf. d/* - specifically 20archive.
Also, if you use synaptic to manage packages it has an option to delete a package after it has been installed.