How to remove (uninstall) Ristretto Image Viewer from Devuan Linux

If Ristretto Image Viewer is not your favourive image viewer and you don't need it anymore on your Devuan Desktop, you can remove it by running two commands in terminal:

$ sudo apt-get purge ristretto

$ sudo apt autoremove ristretto

Output:

$ sudo apt-get purge ristretto && sudo apt autoremove ristretto

Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages were automatically installed and are no longer required:
  hddtemp libburn4 libisofs6 libjte1 libqrencode3 libunique-1.0-0 xfburn
  xfce4-battery-plugin xfce4-clipman xfce4-clipman-plugin xfce4-cpufreq-plugin
  xfce4-cpugraph-plugin xfce4-datetime-plugin xfce4-dict xfce4-diskperf-plugin
  xfce4-fsguard-plugin xfce4-genmon-plugin xfce4-mailwatch-plugin
  xfce4-mount-plugin xfce4-netload-plugin xfce4-notes xfce4-notes-plugin
  xfce4-places-plugin xfce4-screenshooter xfce4-sensors-plugin
  xfce4-smartbookmark-plugin xfce4-systemload-plugin xfce4-taskmanager
  xfce4-timer-plugin xfce4-verve-plugin xfce4-wavelan-plugin
  xfce4-weather-plugin xfce4-whiskermenu-plugin xfce4-xkb-plugin
Use 'sudo apt autoremove' to remove them.
The following packages will be REMOVED:
  ristretto* xfce4-goodies*
0 upgraded, 0 newly installed, 2 to remove and 1 not upgraded.
After this operation, 1,341 kB disk space will be freed.
Do you want to continue? [Y/n] Y
(Reading database ... 106635 files and directories currently installed.)
Removing xfce4-goodies (4.12.3) ...
Removing ristretto (0.8.1-1) ...
Processing triggers for mime-support (3.60) ...
Processing triggers for desktop-file-utils (0.23-1) ...
Processing triggers for man-db (2.7.6.1-2) ...
Processing triggers for hicolor-icon-theme (0.15-1) ...
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Package 'ristretto' is not installed, so not removed
The following packages will be REMOVED:
  hddtemp libburn4 libisofs6 libjte1 libqrencode3 libunique-1.0-0 xfburn
  xfce4-battery-plugin xfce4-clipman xfce4-clipman-plugin xfce4-cpufreq-plugin
  xfce4-cpugraph-plugin xfce4-datetime-plugin xfce4-dict xfce4-diskperf-plugin
  xfce4-fsguard-plugin xfce4-genmon-plugin xfce4-mailwatch-plugin
  xfce4-mount-plugin xfce4-netload-plugin xfce4-notes xfce4-notes-plugin
  xfce4-places-plugin xfce4-screenshooter xfce4-sensors-plugin
  xfce4-smartbookmark-plugin xfce4-systemload-plugin xfce4-taskmanager
  xfce4-timer-plugin xfce4-verve-plugin xfce4-wavelan-plugin
  xfce4-weather-plugin xfce4-whiskermenu-plugin xfce4-xkb-plugin
0 upgraded, 0 newly installed, 34 to remove and 1 not upgraded.
After this operation, 22.4 MB disk space will be freed.
Do you want to continue? [Y/n] Y
(Reading database ... 106569 files and directories currently installed.)
Removing hddtemp (0.3-beta15-52+b1) ...
Removing xfburn (0.5.4-1) ...
Removing libburn4:amd64 (1.4.6-1) ...
Removing libisofs6:amd64 (1.4.6-1) ...
Removing libjte1 (1.20-2+b1) ...
Removing xfce4-clipman-plugin (2:1.4.1-1) ...
Removing xfce4-clipman (2:1.4.1-1) ...
Removing libqrencode3:amd64 (3.4.4-1+b2) ...
Removing xfce4-notes-plugin (1.8.1-1) ...
Removing xfce4-notes (1.8.1-1) ...
Removing libunique-1.0-0 (1.1.6-5) ...
Removing xfce4-battery-plugin (1.1.0-1) ...
Removing xfce4-cpufreq-plugin (1.1.3-1) ...
Removing xfce4-cpugraph-plugin (1.0.5-1+b1) ...
Removing xfce4-datetime-plugin (0.7.0-1) ...
Removing xfce4-dict (0.7.2-1) ...
Removing xfce4-diskperf-plugin (2.5.5-1+b1) ...
Removing xfce4-fsguard-plugin (1.0.2-1+b1) ...
Removing xfce4-genmon-plugin (3.4.0-2+b1) ...
Removing xfce4-mailwatch-plugin (1.2.0-2+b2) ...
Removing xfce4-mount-plugin (0.6.7-1+b1) ...
Removing xfce4-netload-plugin (1.2.4-2) ...
Removing xfce4-places-plugin (1.7.0-3) ...
Removing xfce4-screenshooter (1.8.2-2) ...
Removing xfce4-sensors-plugin (1.2.6-1+b1) ...
Removing xfce4-smartbookmark-plugin (0.4.6-2) ...
Removing xfce4-systemload-plugin (1.1.2-1+devuan1) ...
Removing xfce4-taskmanager (1.1.0-1) ...
Removing xfce4-timer-plugin (1.6.0-1+b1) ...
Removing xfce4-verve-plugin (1.1.0-1) ...
Removing xfce4-wavelan-plugin (0.6.0-1) ...
Removing xfce4-weather-plugin (0.8.9-1) ...
Removing xfce4-whiskermenu-plugin (1.6.2-1) ...
Removing xfce4-xkb-plugin (1:0.7.1-2+b1) ...
Processing triggers for mime-support (3.60) ...
Processing triggers for desktop-file-utils (0.23-1) ...
Processing triggers for libc-bin (2.24-11+deb9u4) ...
Processing triggers for man-db (2.7.6.1-2) ...
Processing triggers for hicolor-icon-theme (0.15-1) ...