Unix Admin interview Questions

Unix Admin interview Questions
1. How do you list the files in an UNIX directory while also showing hidden files?
2. How do you execute a UNIX command in the background?
3. What UNIX command will control the default file permissions when files are created?
4. Explain the read, write, and execute permissions on a UNIX directory.
5. What is the difference between a soft link and a hard link?
6. Give the command to display space usage on the UNIX file system.
7. Explain iostat, vmstat and netstat.
8. How would you change all occurrences of a value using VI?
9. Give two UNIX kernel parameters that effect an Oracle install
10. Briefly, how do you install Oracle software on UNIX.

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