A directory of Objective Type Questions covering all the Computer Science subjects. Here you can access and discuss Multiple choice questions and answers for various compitative exams and interviews.

61. Linux partitions are created using the file system:
a. FAT
b. FAT32
c. EXT3
d. NTFS
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Answer: (c).EXT3

62. Which UNIX/Linux command is used to make all files and sub-directories in the directory “progs” executable by all users?
a. chmod −R a+x progs
b. chmod −R 222 progs
c. chmod −X a+x progs
d. chmod −X 222 progs
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Answer: (a).chmod −R a+x progs

63. Consider the following statements :

(a) UNIX provides three types of permissions
* Read
* Write
* Execute
(b) UNIX provides three sets of permissions
* permission for owner
* permission for group
* permission for others

Which of the above statement/s is/are true?
a. Only (a)
b. Only (b)
c. Both (a) and (b)
d. Neither (a) nor (b)
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Answer: (c).Both (a) and (b)

64. Match the following WINDOWS system calls and UNIX system calls with reference to process control and File manipulation.

Windows
(a) Create - process ()
(b) WaitForSingleObject ()
(c) CreateFile ()
(d) CloseHandle ()

UNIX
(i) Open ()
(ii) Close ()
(iii) Fork ()
(iv) Wait ()

Code :
(a) (b) (c) (d)
a. (iii) (iv) (i) (ii)
b. (iv) (iii) (i) (ii)
c. (iv) (iii) (ii) (i)
d. (iii) (iv) (ii) (i)
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Answer: (a).(iii) (iv) (i) (ii)

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