Ubuntu

Gnome 46

https://circle.gnome.org

Bureau

On the GNOME desktop environment, you can use CTRL-ALT-D to minimise all and give focus to the desktop. You can also use ALT-F9 to minimise the current window. I think these are the same for Ubuntu/Unity.

https://www.reddit.com/r/gnome/comments/no4r84/is_it_possible_to_add_a_show_desktop_minimize_all/

Applis

https://www.omgubuntu.co.uk/2023/01/gtk-image-converter-app-for-linux
https://www.omgubuntu.co.uk/2023/05/tube-converter-linux-app-new-features
https://www.appimagehub.com
linux mint audio

Divers

linux login screan
configurer linux kernel
notifications

Version ubuntu 
lsb_release -a