Linux MCQ Questions & Answers

1

In makefile the comment begins with the character

A) $ B) # C) /* D) none of the mentioned

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Answer & Solution

Answer: Option B

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2

Which one of the following command creates the executable file hello.out?

A) gcc -o example.c B) gcc example.c C) gcc -o hello.out D) gcc hello.out

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Answer & Solution

Answer: Option D

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3

In linux sysfs is always mounted at

A) /sys B) /proc/sys C) /proc/mounts D) none of the mentioned

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Answer & Solution

Answer: Option A

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4

The directory /opt is reserved for

A) installation of add-on application software packages B) optional booting files C) optional user specific files D) none of the mentioned

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Answer & Solution

Answer: Option A

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5

read() system call on success returns

A) 0 B) -1 C) number of character D) none

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Answer & Solution

Answer: Option C

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6

The permission -rwxr-xr-t represented in octal expression will be

A) 0777 B) 1755 C) 1754 D) 2754

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Answer & Solution

Answer: Option B

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7

Which one of the following is not true?

A) source codes can not be compiled with static libraries in gcc B) -O is used for optimization in gcc C) source codes can be compiled D) none of the mentioned

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Answer & Solution

Answer: Option A

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8

What is the output of this program?

#!/bin/bash
a=2
b=4
let c=a**b
echo $c
exit 0

A) 8 B) 16 C) 32 D) none of the mentioned

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Answer & Solution

Answer: Option B

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9

Which one of the following is a mount point for a temporarily mounted filesystem?

A) /mnt directory B) /media directory C) /dev directory D) none of the mentioned

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Answer & Solution

Answer: Option A

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10

What is the output of this program?

#!/bin/sh
echo "Just call the function"
hello_function
hello_function() {
   echo "This is a function"
}
exit 0

A) only first string will print without any error B) only second string will print without any error C) both strings will print D) none of the mentioned

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Answer & Solution

Answer: Option D

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Linux MCQ Questions & Answers | Computer Science