Os Practice Oral Questions
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OS practice Oral questions :-
22/10/2007
1. what is an OS ? 2. Give the basic functions of an OS 3. Define the terms multi-programming,multitasking,multiuser,multiprocessing 4. what is a process,what is a thread ?,define multithreading 5. differentiate between thread creation and process creation due to fork. 6. What are the widely used IPC mechanisms 7. what is a shell ?,give eg of different type of shells 8. what is a shell script ? 9. can you fasion the environment for a shell ? 10. what does Red Hat 10…kernel 2.4.32 mean ? 11. differences between Linux and Unix 12. name the native Linus and Unix file systems 13. what are utilities ? where do they reside ? 14. What is an orphan process,zombie process ? 15. how to avoid zombie creation? 16. Is creation of zombies a good phenomenon ?,if not, why ? 17. what are semaphores ? what are binary and counting semaphores? 18. what does wait operation on semaphores do ? what does signal operation on semaphores do ? 19. Can you use semaphores to guard shared resources ?,shared memory too ? 20. Explain functions semget,semop,semctl 21. Explain threading functions…pthread_create,pthread_join, pthread_exit,pthread_detach 22. Explain the key functionalities of the kernel 23. What is a race condition ? can it be avoided by semaphores? 24. what are process groups? 25. explain the booting process of Linux/Unix 26. what are virtual terminals in a linux setup? 27. Explain mount,unmount system calls 28. Explain the file system hierarchy in Linux 29. What is the difference between named and unnamed pipes ? 30. Give system calls for creating both named and unnamed pipes 31. What is an orphan process,write the program code to create a new process by fork 32. explain getpid();,getppid(); …..UID,PID,real UID,effective UID and saved UID 33. what is AWK ? differentiate between AWK and C 34. Give few features of AWK 35. Give the program structure for AWK ,what are patterns and actions
M V Phatak
There are NO extra practice problems.Doing WELL in already given assignments is more than ENOUGH.
22/10/2007
1. what is an OS ? 2. Give the basic functions of an OS 3. Define the terms multi-programming,multitasking,multiuser,multiprocessing 4. what is a process,what is a thread ?,define multithreading 5. differentiate between thread creation and process creation due to fork. 6. What are the widely used IPC mechanisms 7. what is a shell ?,give eg of different type of shells 8. what is a shell script ? 9. can you fasion the environment for a shell ? 10. what does Red Hat 10…kernel 2.4.32 mean ? 11. differences between Linux and Unix 12. name the native Linus and Unix file systems 13. what are utilities ? where do they reside ? 14. What is an orphan process,zombie process ? 15. how to avoid zombie creation? 16. Is creation of zombies a good phenomenon ?,if not, why ? 17. what are semaphores ? what are binary and counting semaphores? 18. what does wait operation on semaphores do ? what does signal operation on semaphores do ? 19. Can you use semaphores to guard shared resources ?,shared memory too ? 20. Explain functions semget,semop,semctl 21. Explain threading functions…pthread_create,pthread_join, pthread_exit,pthread_detach 22. Explain the key functionalities of the kernel 23. What is a race condition ? can it be avoided by semaphores? 24. what are process groups? 25. explain the booting process of Linux/Unix 26. what are virtual terminals in a linux setup? 27. Explain mount,unmount system calls 28. Explain the file system hierarchy in Linux 29. What is the difference between named and unnamed pipes ? 30. Give system calls for creating both named and unnamed pipes 31. What is an orphan process,write the program code to create a new process by fork 32. explain getpid();,getppid(); …..UID,PID,real UID,effective UID and saved UID 33. what is AWK ? differentiate between AWK and C 34. Give few features of AWK 35. Give the program structure for AWK ,what are patterns and actions
M V Phatak
There are NO extra practice problems.Doing WELL in already given assignments is more than ENOUGH.
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