Interview questions

Unix interview questions – page 5

373 questions. Tap “Show answer” to check yourself.

  1. How to terminate a process which is running and the specialty on command kill?

  2. What Happens when you execute a command?

  3. Very first process created by kernel?

  4. Hi All, Can you please let me know how to grep for a particular pattern in unix. I want to print the dates from the file exp.txt. the date pattern is DD:MM:YYYY, I just want to print all the dates from the file exp.txt.

  5. Explain different types of Unix systems.

  6. Linux will support dot net?

  7. What Happens when you execute a program?

  8. Could you tell something about the Unix System Kernel?

  9. What are the different IPC mechanisms. When to use sckest/shared memory/semaphore... how to decide?

  10. Which one of the following is true as long as UNIX is concerned A. One can do programming in C only B. It can support terminals capable of printing only uppercase characters C. The text files are sorted as it is in MS-DOS<b...

  11. How do you see which shell you are in UNIX?

  12. Discuss the mount and unmount system calls

  14. What is Semaphore? What r other ways to synchronze?

  15. How to schedule a job,that will periodically execute insecond by crontab?

  16. How will you know who are the users logged in to the system before 15 minutes?

  17. How do I rename "*.foo" to "*.bar", or change file names to lowercase?

  18. How do you make programs portable on unix and Dos under such circumstances?

  19. How do I remove a file whose name begins with a "-" ?

  20. Process id for kernel process

  21. How can a process detect if it's running in the background?

  22. Which file extension is responsible for holding address book in outlook express?

  23. Differences between process and thread

  24. What are Dump terminals in Unix?

  25. What is Database Trigger ?

  27. How would you create shared and dynamic libraries?

  28. Explain the unix file system?

  29. About runlevel 6 in unix?

  30. Which of the following is true regarding the UNIX (i) Multiuser Operating System (ii)Multitasking Operating System (iii) Real timing Operating System A. i only B. i and ii only C. i and ii and iii only D. ...

  31. In a demand paging system, a page fault occurs when: a) the addressed page is not found in both the TLB and the main memory. b) the addressed page is not found in either the TLB (only for odd page addresses) or the main m...

  32. How do display only hidden files in unix?

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