1. How do you take a single line of input from the user in a shell script
2. Write a script to convert all DOS style backslashes to UNIX style slashes in a list of files.
3. Write a regular expression (or sed script) to replace all occurrences of the letter ‘f’, followed by any number of characters, followed by the letter ‘a’, followed by one or more numeric characters, followed by the letter ‘n’, and replace what’s found with the string “UNIX”.
4. Write a script to list all the differences between two directories.
5. Write a program in any language you choose, to reverse a file.
6. What are the fields of the password file
7. What does a plus at the beginning of a line in the password file signify
8. Using the man pages, find the correct ioctl to send console output to an arbitrary pty.
9. What is an MX record
10. What is the prom command on a Sun that shows the SCSI devices
11. What is the factory default SCSI target for /dev/sd0
12. Where is that value controlled
13. What happens to a child process that dies and has no parent process to wait for it and what’s bad about this
14. What’s wrong with sendmail What would you fix
15. What command do you run to check file system consistency
16. What’s wrong with running shutdown on a network
17. What can be wrong with setuid scripts
18. What value does spawn return
19. Write a script to send mail from three other machines on the network to root at the machine you’re on. Use a ‘here doc’, but include in the mail message the name of the machine the mail is sent from and the disk utilization statistics on each machine
20. Why can’t root just cd to someone’s home directory and run a program called a.out sitting there by typing “a.out”, and why is this good
21. What is the difference between UDP and TCP
22. What is DNS
23. What does nslookup do
24. How do you create a swapfile
25. How would you check the route table on a workstation/server
26. How do you find which ypmaster you are bound to
27. How do you fix a problem where a printer will cutoff anything over 1MB
28. What is the largest file system size in solaris SunOS
29. What are the different RAID levels