BC0056-UNIX_O.S - Model Question Paper Subject Code BC0056...

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Model Question Paper Subject Code: BC0056 Subject Name: UNIX O.S. Credits: 4 Marks: 140 Part A (One mark questions) 1. Which of the following statement best explain the process? A. It is a Program. B. It is a program in execution. C. It is a system. D. it is a program that uses system calls. 2 . Which is not a valid computer system component. A. The hardware B. The software C. The operating system D. The applications 3. Who co-created the UNIX operating system in 1969 with Dennis Ritchie? A. Bjarne Stroustrup B. Steve Wozniak C. Ken Thompson
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D. Niklaus Wirth 4. ……………provides the essential services that make up the heart of UNIX systems; it allocates memory, keeps track of the physical location of files etc. A. The Hardware B. The kernel C. UNIX shell D. UNIX compiler 5. Which field Inode doesn’t consist A. File Mode B. File access permission C. File name D. File size 6. Kernal involves A. To manage computer memory B. To maintain file system C. To allocate the resources D. All the above 7. Which is the process of starting up a computer from a halted or powered-down condition. A. Bootstrapping B. Start up process C. Background Process
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D. Foreground Process 8. To take backup what we can use A. tar B. dump C. cpio D. All of above 9. Specify the attribute that process doen't include A. PPID B. EUID C.PUID D. EGID 10. Name the command we can use to change the priority of the process. A. change Command B. renice Command C. ps command D. All the above 11. Which is not a system call A. Fork () B. Exit () C. msgget () D. All the above
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12. Which is not a UNIX shell A. csh B. bourne C. korn shell D. none of the above 13. Which gives the command information that it might need, or specify varying behavior of the command. A. Command arguments B. Command interpreter C. Command type D. Command name 14. Name the command that we can use to create a file A. echo B. create C. cat D. make 15. Name the command to show all the files, even files that are hidden in the current directory. A. ls B. ls-a C. ls-l D. ls-a-l
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16. Which is a type of file in UNIX file system A. Ordinary B. directories C.Device D. All the above 17. In Unix directory structure the top-level directory is designated by A. Root B. Slash '/ ' Character C. /bin D. /etc 18. Which is not a type of permission in UNIX A. read B. write C. execute D. exit 19. Which command can be used to find a file A. grep B. find C. catch D. None of the above
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20. Name the operator that shows the preceding item will be matched one or more times. A. '+' B. '*' C. ?' D. ’{N}' 21. Which command provides a much faster way of finding all files whose names match a particular search string A. man find B. Find command C. Locate command D. Info find 22. ______is the first process to be created when a UNIX system starts up and usually has a PID of 1.
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This note was uploaded on 03/01/2012 for the course I.T ICc 231 taught by Professor Ramon during the Fall '10 term at Institute of Management Technology.

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BC0056-UNIX_O.S - Model Question Paper Subject Code BC0056...

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