I'm looking for a way to query a mounted overlay filesystem [overlayfs] in order to check it's upper and lower dir but till now I didn' find any suitable command. Please , someone in the list know is ...
GNU/Linux has union mount that overlays dirs. So you can mount a writeable dir on top of a read-only dir. When the writeable dir is unmounted the read-only dir is untouched. I am looking for the same ...