1. what's an admin's typical routine to maintain unix based network
2. how do you secure your unix systems, aka, what do you do after a fresh OS installation
3. what is your backup strategy, what kind of backup solution did you use in your previous job
4. how to set up syslogs, write a shell script to rotate them on a daily basis
5. how to manage users, groups, file systems
6. what are the concepts of NFS, NIS, how to set them up
7. what are BASH, SSH, APACHE, DNS, DHCP, NAMED, TCPDUMP, TOP, SENDMAIL, how to set them up
8. now we know, its so easy to be a unix admin