Tech Interview Questions -  Unix/Linux

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Solaris Interview Questions

1. What does the pkgadd command do?                         Ans:pkgadd is used to add a package to the solaris.It installs the package in the /usr/local directory by default.
    
2. How do you create a solaris package?
3. How do you view shared memory statistics?
4. How do you get system diagnostics information?
5. What is OBP and how do you access it?
6. What is LOM and how do you access it?
7. What is VTS?
8. What is an alternative to the “top” command on Solaris?    Ans:The alternative to the top command is prstat command in solaris
   It will give the status of each and every process.
9. What is /etc/system for?
10. What does ndd do?
11. What does init 5 do?
12. What does init 0 do?
13. How do you boot from CD-ROM?
14. What is jumpstart?
15. How do you boot from a Network with jumpstart?
16. What is JASS?                                                                   Ans: The Solaris Security Toolkit, formerly known as the JumpStart Architecture and Security Scripts (JASS) toolkit, provides a flexible and extensible mechanism to harden and audit Solaris Operating Systems (OSS).
17. What is the difference between NFS version 2 and NFS version 3?
18. What is RPC? Why do I need it?                                           Ans: RPC:A call to a procedure in a different address space. In a traditional procedure call, the calling procedure and the called procedure are in the same address space on one machine. In a remote procedure call, the calling procedure invokes a procedure in a different address space and usually
    on a different machine.
19. Are kernel parameters tunable during runtime?
20. What does fmthard do?