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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
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Q. 141) In processing environment of unix

(A) a program is an executable file and process is an instance of the program in execution
(B) a process is an executable file and program is a instance of the process in execution
(C) a process and program are both same
(D) all above are carrect
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Mr. Dubey • 51.17K Points
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Q. 142) The fork system call

(A) creates a new program
(B) creates a new interface
(C) creates a new hardware
(D) creates a new process
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Mr. Dubey • 51.17K Points
Coach

Q. 143) What command do you have to use to go to parent directory

(A) cd-,
(B) cd -
(C) cd/up
(D) cd..
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Mr. Dubey • 51.17K Points
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Q. 144) The command used to display a specified file

(A) mkdir
(B) chmod
(C) cat
(D) compress
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Mr. Dubey • 51.17K Points
Coach

Q. 145) root in unix system is represented by

(A) %
(B) \\
(C) $
(D) /
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Mr. Dubey • 51.17K Points
Coach

Q. 146) what does cd.. Do ?

(A) not a valid unix command
(B) logs out of the computer
(C) changes the working directory to login directory
(D) " " " " " " the parent of current working directory
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Mr. Dubey • 51.17K Points
Coach

Q. 147) What does command LS do

(A) opening a file
(B) display contents of a file
(C) display of file & folders, present in the folder where you are
(D) shows a calender
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Mr. Dubey • 51.17K Points
Coach

Q. 148) Why is PWD used

(A) show current user
(B) show present working directory
(C) to display error messages
(D) to copy files
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Mr. Dubey • 51.17K Points
Coach

Q. 149) Which is the carrect command to list files & folders in unix

(A) list
(B) ls
(C) dir
(D) list files
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Mr. Dubey • 51.17K Points
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Q. 150) How can you display a list of files including hidden files

(A) find all
(B) ls-a
(C) ls-b
(D) all answers a,b,c
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