Désolé je ne comprend pas, j'ai donc copié la réponse, pardon ,je ne sais pas si c'est cela qu'il faut faire....mais j'apprendrai...
philippe@philippe-K73E:~$ find /etc/apt -name '*.list' -exec bash -c 'echo -e "\n$1\n"; nl -ba "$1"' _ '{}' \;
/etc/apt/sources.list.d/google-chrome.list
1 ### THIS FILE IS AUTOMATICALLY CONFIGURED ###
2 # You may comment out this entry, but any other modifications may be lost.
3 deb [arch=amd64]
http://dl.google.com/linux/chrome/deb/ stable main
/etc/apt/sources.list
1 # deb cdrom:[Ubuntu-MATE 18.04.2 LTS _Bionic Beaver_ - Release amd64 (20190210)]/ bionic main multiverse restricted universe
2
3 # See
http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
4 # newer versions of the distribution.
5 deb
http://fr.archive.ubuntu.com/ubuntu/ bionic main restricted
6 # deb-src
http://fr.archive.ubuntu.com/ubuntu/ bionic main restricted
7
8 ## Major bug fix updates produced after the final release of the
9 ## distribution.
10 deb
http://fr.archive.ubuntu.com/ubuntu/ bionic-updates main restricted
11 # deb-src
http://fr.archive.ubuntu.com/ubuntu/ bionic-updates main restricted
12
13 ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
14 ## team. Also, please note that software in universe WILL NOT receive any
15 ## review or updates from the Ubuntu security team.
16 deb
http://fr.archive.ubuntu.com/ubuntu/ bionic universe
17 # deb-src
http://fr.archive.ubuntu.com/ubuntu/ bionic universe
18 deb
http://fr.archive.ubuntu.com/ubuntu/ bionic-updates universe
19 # deb-src
http://fr.archive.ubuntu.com/ubuntu/ bionic-updates universe
20
21 ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
22 ## team, and may not be under a free licence. Please satisfy yourself as to
23 ## your rights to use the software. Also, please note that software in
24 ## multiverse WILL NOT receive any review or updates from the Ubuntu
25 ## security team.
26 deb
http://fr.archive.ubuntu.com/ubuntu/ bionic multiverse
27 # deb-src
http://fr.archive.ubuntu.com/ubuntu/ bionic multiverse
28 deb
http://fr.archive.ubuntu.com/ubuntu/ bionic-updates multiverse
29 # deb-src
http://fr.archive.ubuntu.com/ubuntu/ bionic-updates multiverse
30
31 ## N.B. software from this repository may not have been tested as
32 ## extensively as that contained in the main release, although it includes
33 ## newer versions of some applications which may provide useful features.
34 ## Also, please note that software in backports WILL NOT receive any review
35 ## or updates from the Ubuntu security team.
36 deb
http://fr.archive.ubuntu.com/ubuntu/ bionic-backports main restricted universe multiverse
37 # deb-src
http://fr.archive.ubuntu.com/ubuntu/ bionic-backports main restricted universe multiverse
38
39 ## Uncomment the following two lines to add software from Canonical's
40 ## 'partner' repository.
41 ## This software is not part of Ubuntu, but is offered by Canonical and the
42 ## respective vendors as a service to Ubuntu users.
43 deb
http://archive.canonical.com/ubuntu bionic partner
44 # deb-src
http://archive.canonical.com/ubuntu bionic partner
45
46 deb
http://security.ubuntu.com/ubuntu bionic-security main restricted
47 # deb-src
http://security.ubuntu.com/ubuntu bionic-security main restricted
48 deb
http://security.ubuntu.com/ubuntu bionic-security universe
49 # deb-src
http://security.ubuntu.com/ubuntu bionic-security universe
50 deb
http://security.ubuntu.com/ubuntu bionic-security multiverse
51 deb
http://fr.archive.ubuntu.com/ubuntu/ bionic-proposed restricted multiverse main universe
52 # deb-src
http://security.ubuntu.com/ubuntu bionic-security multiverse
philippe@philippe-K73E:~$ lspci
00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09)
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09)
00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04)
00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 05)
00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 05)
00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b5)
00:1c.5 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 6 (rev b5)
00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 05)
00:1f.0 ISA bridge: Intel Corporation HM65 Express Chipset LPC Controller (rev 05)
00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset Family 6 port Mobile SATA AHCI Controller (rev 05)
00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller (rev 05)
02:00.0 Ethernet controller: Qualcomm Atheros AR8151 v2.0 Gigabit Ethernet (rev c0)
philippe@philippe-K73E:~$