containers‐storage         copy        [‐‐chown        UID[:GID]]
[sourceLayerNameOrID:]/path [...] targetLayerNameOrID:/path
‐‐chown UID[:GID]

containers‐storage copy layer‐with‐mapping:/root/config.txt

layer‐with‐different‐mapping:/root/config.txt

containers‐storage(1)