The documentation of the Orthanc Client for C++ can be opened using the following command: $ xdg-open file:///usr/share/doc/orthanc/OrthancClient/index.html The basic sample can be compiled with the following command: $ mkdir /tmp/OrthancClientSample $ cd /tmp/OrthancClientSample $ cmake /usr/share/doc/orthanc/OrthancClientSamples/Basic $ make $ ./Test Before running this basic sample, make sure that Orthanc is up and running on the default HTTP port. This can be checked by opening the Orthanc Web interface: $ xdg-open http://localhost:8042/app/explorer.html