Notes for February 28, 1997

1. Hello
   1. HW 2: still going, humble apologies...
   2. No more programming assignments!
   3. Homweork #4 and #5: no programs, but have weight equal to others
2. Puzzle of the day
   1. If it isn't UNIX, you're drawing a bogus conclusion
3. ISO/OSI model
4. ISA threat model