Topics for a Unix sysadmin interview

1. Job Scheduling; mainly crontab, at, batch command
2. Backup stetegy; incremental, full system back up; diff between tar & ufsdump
3. diff between hard link & softlink
4. How to list only the directories inside a directory (Ans. ls -l|grep "^d")
5. RAID levels; pros & cons of diffrent levels; what is RAID 1+0

6. How to recover a system whose root password has lost?
7. What is a daemon?
8. How to put a job in background & bring it to foreground?
9. What is default permissions for others in a file?
10. Questions on shell initialization scripts?
11. Questions on restricted shell
12. What is diff betwn grep & find?
13. What is egrep?
14. Questions on shell programming
15. What is a pipe?
16. Questions on Solaris patch management like pkgadd etc
17. Questions on file system creation; actually what happens when we create a file system?
18. Questions on RBAC? what is a role accound & what is a profile?
19. From command line how will you add a user account? the full command will all arguments.
20. Fs it advisable to put a swap partion in RAID1 (mirroring?) pros & cons?