j'avais pas bien compris....que c'étaient des commandes, et non des résultats (quand je dis que je suis débutant, c'est pas par humilité!)
Fait et collé ci-dessous
Merci de votre patience
familledoleon@familledoleon-HP-Pavilion-Notebook:~$ uname -a
Linux familledoleon-HP-Pavilion-Notebook 4.13.0-43-generic #48~16.04.1-Ubuntu SMP Thu May 17 12:56:46 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
familledoleon@familledoleon-HP-Pavilion-Notebook:~$ dpkg -l | grep -Ei "linux-(g|h|i|lo|si|t)" | sort -k3 | tr -s " " | cut -d" " -s -f1,2,3 | column -s" " -t
ii linux-headers-4.10.0-28 4.10.0-28.32~16.04.2
ii linux-image-extra-4.10.0-28-generic 4.10.0-28.32~16.04.2
ii linux-headers-4.10.0-28-generic 4.10.0-28.32~16.04.2
ii linux-image-4.10.0-28-generic 4.10.0-28.32~16.04.2
ii linux-signed-image-4.10.0-28-generic 4.10.0-28.32~16.04.2
ii linux-headers-4.13.0-41 4.13.0-41.46~16.04.1
ii linux-image-extra-4.13.0-41-generic 4.13.0-41.46~16.04.1
ii linux-headers-4.13.0-41-generic 4.13.0-41.46~16.04.1
ii linux-image-4.13.0-41-generic 4.13.0-41.46~16.04.1
ii linux-signed-image-4.13.0-41-generic 4.13.0-41.46~16.04.1
ii linux-headers-4.13.0-43 4.13.0-43.48~16.04.1
ii linux-image-extra-4.13.0-43-generic 4.13.0-43.48~16.04.1
ii linux-headers-4.13.0-43-generic 4.13.0-43.48~16.04.1
ii linux-image-4.13.0-43-generic 4.13.0-43.48~16.04.1
ii linux-signed-image-4.13.0-43-generic 4.13.0-43.48~16.04.1
ii linux-generic-hwe-16.04 4.13.0.43.62
ii linux-signed-generic-hwe-16.04 4.13.0.43.62
ii linux-headers-generic-hwe-16.04 4.13.0.43.62
ii linux-image-generic-hwe-16.04 4.13.0.43.62
ii linux-signed-image-generic-hwe-16.04 4.13.0.43.62