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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.

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Mr. Dubey • 51.17K Points
Coach

Q. 351) The command that can be used to restrict incoming messages to a user is

(A) halt
(B) mesg
(C) grep
(D) sleep
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Mr. Dubey • 51.17K Points
Coach

Q. 352) The sort command in UNIX

(A) used to sort a file
(B) used to sort the list of files in a directory
(C) both a and b
(D) none of the abov
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Mr. Dubey • 51.17K Points
Coach

Q. 353) Which of the following keys is used to replace a single character with new text?

(A) s
(B) s D. c
(C) ---
(D) ---
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Mr. Dubey • 51.17K Points
Coach

Q. 354) The tail command in UNIX

(A) can be used to look at the tail or bottom of the file
(B) can be used to display the list of last 10 files in the current directory
(C) can be used to display the list of last 15 in the current directory
(D) none of the above
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Mr. Dubey • 51.17K Points
Coach

Q. 355) Which command is used to change protection mode of files starting with the string emp and ending with 1,2, or 3?

(A) can be used to look at the tail or bottom of the file
(B) chmod u x emp[l-3]
(C) chmod u r ??? emp
(D) chmod 222 emp?
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Mr. Dubey • 51.17K Points
Coach

Q. 356) Which command will be used with vi editor to append text at end of line?

(A) is–x
(B) is
(C) is–1
(D) is–f–x
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Mr. Dubey • 51.17K Points
Coach

Q. 357) Which command is used to display the device name of the terminal you are using?

(A) who
(B) stty
(C) tty
(D) ls
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Mr. Dubey • 51.17K Points
Coach

Q. 358) Which command allows you to view your file 24 lines at a time ?

(A) more
(B) cat
(C) none of the above
(D) pg
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Mr. Dubey • 51.17K Points
Coach

Q. 359) The tar command in UNIX

(A) used to create compressed archives of directories and file
(B) used to extract directories and files from an archives
(C) both a and b
(D) none of the abov
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Mr. Dubey • 51.17K Points
Coach

Q. 360) Which of the following commands is used to rename a file?

(A) rename
(B) remove
(C) mv
(D) ren
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