Question about Ubuntu support

[Grizzly]

31 May 2020  at 13:33, Tony Arnold wrote:
Re: Question about Ubuntu support (at least in part)

>My system shows 449 packages that are no longer available for download!

"Maybe" they were installed from a PPA that you removed, when using PPA's I 
tend to (via Script) :-

sudo apt-add-repository xxxx.PPA
sudo apt update 
sudo apt install xxxx
sudo apt-add-repository --remove xxxx.PPA  

>Is it safe to remove/purge these? I'm assuming it is but ...

The question is do you want them (or some)?