Interview Questions for Linux

Not necessarily in any order...

How do you recover a system whose root password has been lost?
What file contains the default environment variables when using the bash shell?
What command tells you how many messages you have in your mail queue?
How could I find out if e-mails have been bouncing for customer bill@microsuft.com?
What did you like least about your previous job?
Which distros of linux have you used?
What does the "w" command tell you?
How do you enter visual mode in vi?
What can you do with visual mode?
How do you set a mark in vi?
How do you add a route to another network?
What is createrepo?
What is yum-arch?
What does the route command do?
What is ethtool?
What is netstat and what can you do with it?
How can you prevent a syn_flood attack on a linux box?
How does anycasting work (RFC 1546)?
Describe your toughest assignment so far.