david@david-VirtualBox:~⟫ snap list
Name   Version  Rev   Developer  Notes
core   16-2     1689  canonical  -
hello  2.10     20    canonical  -
david@david-VirtualBox:~⟫ snap run hello
cannot create lock directory /run/snapd/lock: Permission denied
1 david@david-VirtualBox:~⟫ ls -l /run/ |grep snap
drwxr-xr-x  2 root  david    40 May 18 08:43 snapd
srw-rw-rw-  1 root  root      0 May 18 07:53 snapd-snap.socket
srw-rw-rw-  1 root  root      0 May 18 07:53 snapd.socket