Hello friends!
Searching for p7zip-full in synaptic, I can see that it is installed.
However I can't find it anywhere.
In the terminal:
kaye@laptop:~$ sudo whereis p7zip
[sudo] password for kaye:
p7zip: /usr/bin/p7zip /usr/lib/p7zip /usr/share/man/man1/p7zip.1.gz
Thank you for your time.