Name: _____________________

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			 UNIX System Administration Exam 15 

Notes:
	No circular definitions please.
	Be very specific.
	All terms should be assumed to be in the context of UNIX. 
	Grading:
         	3 free points
         	1 point for each correct answer
        	-1 point for each incorrect, partial, or unintelligible answer
         	0 points for each unanswered question
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Jane has UID 143.  John has UID 257.  Jane owns the file "janes_prog" 
and she makes it setuid.  John executes janes_prog.  What is the UID of the 
resulting process?  What is the UID of the parent of the resulting process?






How would you set it up so that incoming mail for a particular user gets
sent to some remote e-mail address?





Describe specifically two problems with the mbox mail storage scheme.





Explain how you can determine the route that an e-mail message took.





Explain the role of IMAP.





When you send e-mail to jn@hlw.com, how does your system find the server's IP?





What is sendmail and what is it for?