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UNIX MCQ Questions for Exam and Interview Preparation | Computer Science

Boost your exam and interview preparation with these UNIX MCQ questions. Explore key concepts in UNIX commands, file management, processes, and system administration to enhance your UNIX knowledge and skills. Page-9 section-2

Each section contains 100 MCQs on Unix .
81
What is the PID of the first process that is set up when the system is booted?
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
82
The command @x=(1. .10) will assign first ten integer values to the array 'a'.
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
83
Which option is used with mv command so that the destination file does not get overwritten?
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
84
$ ls -R outputs all files and subdirectories in a recursive manner.
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Answer & Solution
Answer: Option A
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85
What does cat file01 file01 file01 display?
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Answer & Solution
Answer: Option C
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86
For pasting text, . . . . . . . . is used.
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Answer & Solution
Answer: Option A
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87
The default permissions for a regular file are . . . . . . . . and for directories are . . . . . . . .
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Answer & Solution
Answer: Option B
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88
When we log in as root user we are placed in . . . . . . . .
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Answer & Solution
Answer: Option B
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89
The following command will save the contents of the buffer and overwrites the contents of existing file.
:w!  file003
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
90
What will be the command if we want to suppress column 1 and column 2 in the output of comm Command?
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board