> Now if only we could find a way to expose the operating system as a hierarchical file system.

Step 1: The OS-as-Postgres-DB system in this thread.

Step 2: FUSE filesystem wrapping the DB, as in https://github.com/petere/postgresqlfs

Q.E.D.

I did write a postgres database that served 9p as a hierarchical file system, pretty pointless tbh but it was a fun project

We would reinvent UNIX, poorly.