One of the Plan 9 papers actually refers to Oberon as an example of a similarly integrated system. I believe it's the one titled 'The Use of Name Spaces in Plan

One of the Plan 9 papers actually refers to Oberon as an example of a similarly integrated system. I believe it's the one titled 'The Use of Name Spaces in Plan 9,' but I'm not certain. Unfortunately, the server is down right now so I'm unable to check but, if you're curious, the various papers can be found here: http://plan9.bell-labs.com/sys/doc/ http://plan9.bell-labs.com/sys/doc/