I like to keep my system clean so I tend to remove my orphans whenever I can. In Mandriva this was easy with urpme --auto-orphans or apt-get autoremove in Debian. In Arch it is easy to list them all with
This will give you a nice list over the orphans that are no longer needed by any application.
In my case that list was quite long so I did not want to remove them one by one, with pacman -Rs.
The solution is to combine the the two commands:
This will list all your orphans and prompt you for deleting them.
Remember pacman -Qqtd will only list packages that are installed as a dependency - not if they in fact are needed as a dependency. (Better install things right!)
To clear the pacman cache you can do a
(I needed to write this down too
)
