To list all installed packages in FreeBSD, you can use pkg info command.

To list all installed packages in FreeBSD that are outdated, you can use pkg version -vL=

To clean package cache in FreeBSD, you can use pkg clean command. This will remove all old and unused packages from cache.

To remove orphaned packages in FreeBSD, you can use pkg autoremove command. This will remove all packages that are no longer required by any other package.