Thanks to Professor Gene Spafford, Purdue, here is an updated reference by Professor Miller on the ACM article mentioned in ISSU # 95-14. Chris ************ Prof. Barton Miller did a 1995 update to his paper on faults in Unix utilities. The paper is available as a tech report, and can be found via ftp on ftp://grilled.cs.wisc.edu/technical_papers as fuzz-revisited.ps.Z The new results are enlightening and discouraging.