Copyright © 2006 Laboratorio de Sistemas, GSyC, URJC.
All Rights Reserved
Copyright © 2002 Lucent Technologies Inc.
All Rights Reserved

This is Plan B 4rd edition. Most of it is Plan 9 from Bell Labs 4th edition
taken verbatim.  The system has been changed and includes technology
from Plan B 2nd and 3rd edition.

See the various LICENSE files for licensing conditions. The Laboratorio
de Sistemas does not add any further requirements.