Security in Plan 9

Each computer running Plan 9 has one user id that owns all the resources on that system — the scheduler, local disks, network interfaces, etc. That user, the host owner, is the closest analogue in Plan 9 to a Unix root account (although it is far weaker; rather than having special powers, as its name implies the host owner is just a regular user that happens to own the resources of the local machine). wayback

We are likely to search for this page with phrases like "plan9" and "no root user".

We wonder if the insight from security concerns in a distributed operating system might be useful background knowledge for security things in federated wiki.