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Linux MCQ Questions & Answers | Computer Science

Learn Linux MCQ questions & answers are available for a Computer Science students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Linux MCQ question is the important chapter for a computer science and technical students. Page-9 section-2

Each section contains 100 MCQs on Linux .
81
What is the output of the program?
#! /usr/bin/awk -f
BEGIN {
   print toupper("eXaMpLe_1_$")
}
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
82
Which is not the correct option for removing a message queue
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Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
83
What is the output of this program?
#include<stdio.h>
#include<stdlib.h>
#include<string.h>                              
 
int main()
{
    char *ptr;
    ptr = (char*)malloc(sizeof(char)*8);
    strcpy(ptr,"example");
    printf("%d\n",*ptr);
    return 0;
}
Discuss
Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
84
The permission -rwSr–r– represented in octal expression will be
Discuss
Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
85
The command "awk {print $1} test.txt" will
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
86
What is the output of the following program?
b = 
[ -n $b ]
    echo $?
[ -z $b ]
    echo $?
Discuss
Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
87
Given the command
$ chmod o-w datafile
Discuss
Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
88
By default, a Linux user falls under which group?
Discuss
Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
89
Which GDB command is used to examine the memory?
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
90
What is the output of the command awk 'BEGIN {printf "%c\n",65}'
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board