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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-8 section-7

Each section contains 100 MCQs on Unix .
71
truncate needs the . . . . . . . . of the file as an argument but ftruncate works with . . . . . . . .
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
72
Substitution command is an ex-mode command.
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
73
It is often more convenient to save perl program files with . . . . . . . . extension.
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Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
74
The size of /dev/null is always zero.
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
75
. . . . . . . . option is used when we need to match multiple patterns in a single invocation of grep command?
Discuss
Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
76
The parent process picks up the exit status of a child using . . . . . . . . system call.
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
77
To replace a single character, we use . . . . . . . . command
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
78
While changing permissions in an absolute manner, we explicitly set all the nine bits irrespective of the previous permissions of the file.
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
79
Commands inputted in command mode don't appear on the terminal.
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
80
Which of the following is default permission set for directories?
Discuss
Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board