Q. How many fields are there in /etc/passwd file
✅ Correct Answer: (B)
7
Operating System Architecture MCQs | Page - 3
Dear candidates you will find MCQ questions of Operating System Architecture here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. Thomson and Ritchie published a paper describing unix system in
✅ Correct Answer: (C)
communicatio-ns of the acm
Q. Command to reboot the system
✅ Correct Answer: (C)
shutdown -r now
Q. grep means
✅ Correct Answer: (A)
global regular expression print
Q. A history file
✅ Correct Answer: (D)
contains list of commands used during a session
Q. Which command makes an empty directory
✅ Correct Answer: (C)
mkdir
Q. Why is man command used
✅ Correct Answer: (D)
getting help command on format
Q. Which of the following features of unix may be used for interprocess communication
✅ Correct Answer: (D)
all of these
Q. In a system,if 5 people are currently using the vi editor,then the number of corresponding processes will be
✅ Correct Answer: (B)
5
Q. The command echo welcome >/dev/tty
✅ Correct Answer: (D)
both (a) and ( c)
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