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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-3 section-5

Each section contains 100 MCQs on Unix .
21
The superuser can set the sticky bit.
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Answer & Solution
Answer: Option A
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22
A file has a permission set as 777 ie rwxrwxrwx but the directory permissions are 400. If the user tries to delete the file, will he be able to do it?
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Answer & Solution
Answer: Option B
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23
For extracting a substring, . . . . . . . . function is used.
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Answer & Solution
Answer: Option C
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24
What is execute permission?
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Answer & Solution
Answer: Option D
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25
The sequences of directories that a shell searches while looking for a command is specified in the PATH variable.
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Answer & Solution
Answer: Option A
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26
chmod and fchmod calls are used for changing file permissions.
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Answer & Solution
Answer: Option A
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27
readonly command is used to protect a variable from reassignment.
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Answer & Solution
Answer: Option A
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28
The inode number associated with a file is changed after renaming it.
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Answer & Solution
Answer: Option B
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29
. . . . . . . . command moves the cursor to the end of next line.
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Answer & Solution
Answer: Option D
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30
Which command is used to abort the editing and quit the editing mode?
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Answer & Solution
Answer: Option C
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