Quiznetik

Fedora | Set 1

1. Source code is not available for user in.

Correct : B. bharat os

2. Linux is closed source.

Correct : B. false

3. Bash is the ___________.

Correct : A. shell

4. BOSS is developed by.

Correct : C. c-dac

5. BOSS is developed over.

Correct : D. debian

6. Android is desktop OS.

Correct : B. false

7. 3DBlender is close source.

Correct : B. false

8. Mozilla Firefox is _________ .

Correct : A. browser

9. Google chrome is _________.

Correct : D. none of above

10. Windows OS is a closed source.

Correct : A. true

11. Microsoft .NET is _________

Correct : B. closed source

12. Is the windows command

Correct : B. false

13. Which of the following command gives the list of the users in the systems

Correct : D. who

14. ________is the linux flavor which runs from CD

Correct : A. knopix

15. OSF stands for_________

Correct : B. open software foundation

16. Open source software are very costly

Correct : B. false

17. Internet Explorer comes along with ________

Correct : B. windows

18. which browser comes with linux by default

Correct : C. opera

19. BOSS is developed in _______

Correct : C. india

20. Which of the following is the closed source

Correct : A. 3d max

21. PHP is the Open Source

Correct : A. true

22. ______ Determines which piece of large program need to be recompiled

Correct : B. make

23. ______Execute a command as another user

Correct : D. sudo

24. __ is used to install and remove packages and control downloading them from a repository

Correct : A. rpm

25. Which of the following is not flavor of linux?

Correct : B. susan

26. 7-zip is ___________

Correct : A. file achiever

27. Ubuntu is windows based

Correct : B. false

28. ________ is HTTP web server

Correct : D. apache

29. Symbian is valid Linux Based Shell

Correct : A. true

30. Following is valid Linux based Shell

Correct : A. c-shell

31. Shell is the exclusive feature of

Correct : A. unix

32. Q.32 Operating system is

Correct : B. software which manage resources of the system

33. To increase the response time and throughput, the kernel minimizes the frequency of disk access by keeping a pool of internal data buffer called

Correct : C. buffer cache

34. At start of process execution, STDOUT & STDERR

Correct : A. point to current terminal device

35. wtmp and utmp files contain:

Correct : B. user login-logout log

36. Which is the core of the operating system?

Correct : B. kernel

37. ILP32 stands for

Correct : A. 32 bit integer, long & pointer

38. Single Unix Specification Version 2 provides enhanced support for

Correct : C. 64 bit unix

39. Under UNIX the key board is the default input device and the monitor is the default output device

Correct : A. true

40. Which among the following interacts directly with system hardware?

Correct : C. kernel

41. Applications communicate with kernel by using:

Correct : A. system calls

42. SVR4 was developed by

Correct : D. sun and at&t jointly

43. Which of these is not a Unix Flavor?

Correct : B. mac

44. Which of the following statement is FALSE ?

Correct : C. shell takes care of inter process communication

45. Which of the following UNIX flavor is from IBM?

Correct : D. aix

46. What are the sizes of (Integer/Long/Pointer) in LP64 programming model?

Correct : C. 4/8/8

47. Which among the following is used to write small programs to control Unix functionalities?

Correct : B. shell script

48. What control character signals the end of the input file?

Correct : D. ctrl + d

49. Which command is used to display the octal value of the text

Correct : D. od

50. Which command is used to view compressed text file contents

Correct : C. zcat

51. Which command changes a file’s group owner

Correct : B. chgrp

52. Which command is used to extract intermediate result in a pipeline

Correct : A. tee

53. Which command is used to extract a column from a text file

Correct : C. cut

54. Which command is used to display disk consumption of a specific directory

Correct : A. du

55. Which command is used to perform backup in unix?

Correct : B. cpio

56. Which command creates an empty file if file does not exist?

Correct : B. touch

57. Which option of rm command is used to remove a directory with all its subdirectories

Correct : D. –r

58. Write the command to display the current date in the form dd/mm/yyyy.

Correct : A. date +%d/%m/%y

59. Which command will delete all the blank lines in file old.txt?

Correct : C. sed ‘/^$/d’ old.txt

60. The command “sed -n ‘/mcqmate/p’ old.txt” will

Correct : A. print the lines containing the word ‘mcqmate’ in file old.txt

61. Which option is used by sed to specify that the following string is an instruction or set of instructions?

Correct : A. -n

62. When we install a new package in linux system, then

Correct : B. different files are installed at different locations of the file system

63. Host specific configuration files are installed in

Correct : A. /etc directory

64. The directory /media is the

Correct : A. mount point for removable media

65. What is /bin/sh ?

Correct : B. hard or symbolic link to the real shell command

66. The /boot directory stores the data that is used

Correct : A. before the kernel begins executing user mode programs

67. Which one of the directory does not contain binary files?

Correct : C. /etc

68. Kernel modules are present in

Correct : A. /lib directory

69. The directory /opt is reserved for

Correct : A. installation of add-on application software packages

70. The directory /srv contains

Correct : A. site-specific data which is served by the system

71. Any file or directory present in the ______ directory may not be reserved between the invocation of the program.

Correct : B. /tmp

72. What is a context switch?

Correct : A. kernel switches from executing one process to another.

73. Pid of init process

Correct : B. 1

74. What is the default maximum number of processes that can exist in Linux?

Correct : A. 32768

75. How do you get parent process identification number?

Correct : C. getppid()

76. The process which terminates before the parent process exits becomes

Correct : A. zombie

77. Return value of fork() system call can be:

Correct : B. -1,>0,0

78. If the fork() system call returns -1, then it means?

Correct : A. no new child process is created

79. Fork returns _____ to parent process on success

Correct : B. child process id

80. Which niceness value among the following indicate most favorable scheduling?

Correct : D. -20

81. The maximum time slice that can be given to a process in Linux (where tick is 10ms) is

Correct : D. 600ms

82. Nice can be used by an ordinary process to

Correct : B. decrease the priority of a process

83. Which one can be a real time schedule policy?

Correct : A. sched_fifo

84. Solaris real time class priority is

Correct : C. 100-159

85. On x86-32 Linux, at which address the code segment of the program starts?

Correct : B. 0x08048000

86. On x86-32 Linux, at which address the user stack resides normally?

Correct : D. 0xbfff0000

87. A system has 512MB of physical memory. Which among the following is not a suitable virtual memory size for this system architecture?

Correct : D. none of the above

88. LRU stands for

Correct : B. least recently used

89. Mm_struct maintains?

Correct : D. active memory regions

90. Is page table per process entity?

Correct : A. yes

91. Among these files which has an ELF format

Correct : D. all of the above

92. If one of the thread in multithreaded process is blocked on an I/O, which of the following is true?

Correct : A. the entire process with block if their is no kernel supported threads

93. UNIX/Linux kernel is?

Correct : A. monolithic

94. Monolithic kernel

Correct : B. has less run time overhead

95. Runlevel system command is used for?

Correct : D. all of the above

96. Pick the run level to run Linux in multi user mode with networking?

Correct : B. 3

97. Section 2 of manpage describes

Correct : B. system calls

98. System call can be implemented using which assembly instruction(s) on x86 processors?

Correct : C. both a & b

99. Which of the following exec call is a system call?

Correct : C. execve

100. ______________ timer is decremented only when the process is executing

Correct : B. itimer_virtual