There are lots of screenshot files in ~/.config/pac and /tmp. What keys invoke screenshots? It seems they are pressed accidentally.
It is really a simple question, no one knows?
David Torrejón Vaquerizas
Sorry for the soooo delayed answer.
Right now, there is now way to prevent taking these screenshots (they are automatically made once a CLI connection is made). Nex PAC version will afford this in this way: if "Prefereces" -> "show screenshots" checkbox is disabled, no more screenshots will be taken.