rami@rami-ThinkPad-T550:~$ dpkg -l libobs0 | pastebin
dpkg-query: no packages found matching libobs0
rami@rami-ThinkPad-T550:~$ dpkg -l li^Cbs0 | pastebin
rami@rami-ThinkPad-T550:~$ apt purge libobs0
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package 'libobs0' is not installed, so not removed
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
rami@rami-ThinkPad-T550:~$ dpkg -l *obs*
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name           Version      Architecture Description
+++-==============-============-============-=================================
un  liboobs-1-3    <none>       <none>       (no description available)
un  liboobs-1-4    <none>       <none>       (no description available)
ii  liboobs-1-5    3.0.0-3      amd64        GObject based interface to system
in  obs-studio     <none>       amd64        (no description available)
rami@rami-ThinkPad-T550:~$