Operating Systems Practice Questions

21. The process id number of the process vhand,bdflush,sched and init are





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22. If every user working on unix set up is to use the printer,then the printer should be attached to





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23. Each entry in inode table is of size





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24. which of the following is the command for the searching a pattern in a file





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25. When fork() is given





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26. Which of the following is not true?





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27. The cpu utilization is low when the system is





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28. A programm can execute more than once simultaneously is called





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29. __________ scheduler selects the process that is ready to execute to CPU.





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30. Semaphores are used to solve the problem of





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