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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-4 section-4

Each section contains 100 MCQs on Linux .
31
Which GDB command prints the value of a variable in hex.
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Answer & Solution
Answer: Option A
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32
The file /proc/[PID]/cmdline holds the complete command line for the process, unless the process is a
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Answer & Solution
Answer: Option B
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33
User id 0 is
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Answer & Solution
Answer: Option B
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34
What is the output of this progarm?
#include<stdio.h>
#include<unistd.h>
 
int main()
{
    pid_t child;
    int a, b;
    a = 10;
    b = 20;
    child = fork();
    a = a + b;
    if(child > 0){
        printf("%d\n",a);
    } 
    return 0;
}
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Answer & Solution
Answer: Option B
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35
Which of the following is not a valid file type on Linux
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Answer & Solution
Answer: Option C
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36
What is the output of this program?
#! /usr/bin/awk -f
BEGIN {
    var1="example"
    var2="linux"
    print var1" provides "var2" MCQs "	      
}
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Answer: Option A
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37
To redefine a variable, it can be removed from the list of variables by using the command
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Answer: Option A
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38
The built-in function tolower()
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Answer & Solution
Answer: Option B
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39
Which compilation step makes sure that all the undefined symbols in the code are resolved.
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Answer & Solution
Answer: Option A
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40
Macros for the makefile can be defined in
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Answer: Option C
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