The above directories /ddr and /zmv are the mount points for the partitions that contain my data. The are backed up nightly to an external HDD. ~/Documents --> /ddr/Documents. Ditto for Downloads, etc. /snap is in the root partition along with /opt, /usr, /etc, etc. Thus my data is available to mint19.3 (in another partition) and xubuntu (in still another partition).
The above directories /ddr and /zmv are the mount points for the partitions that contain my data. The are backed up nightly to an external HDD. ~/Documents --> /ddr/Documents. Ditto for Downloads, etc. /snap is in the root partition along with /opt, /usr, /etc, etc. Thus my data is available to mint19.3 (in another partition) and xubuntu (in still another partition).