5.  Acknowledgements

      I would like to thank Robert Elz for sharing his ideas and his code for cacheing system wide names. Thanks also to all the users at Berkeley who provided all the input to generate the kernel profiles. This work was supported by the Defense Advance Research Projects Agency (DoD) under Arpa Order No. 4031 monitored by Naval Electronic System Command under Contract No. N00039-82-C-0235.