Linux MCQ Questions & Answers

11

If we compile the example.c file with the command "gcc -c example.c", then the output file will be

A) example.o B) example.s C) example.i D) none of the mentioned

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Answer & Solution

Answer: Option A

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12

When mv f1 f2 is executed which file's inode is freed?

A) f1 B) f2 C) new inode will be used D) no inode is freed

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Answer & Solution

Answer: Option B

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13

How to execute ls command inside a vi editor?

A) !ls B) :ls C) :!ls D) we can't execute

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Answer & Solution

Answer: Option C

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14

Unix is which kind of Operating System?

A) Multi User B) Multi Processes C) Multi Tasking D) All of the mentioned

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Answer & Solution

Answer: Option D

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15

Which one of the directory does not contain binary files?

A) /bin B) /sbin C) /etc D) none of the mentioned

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Answer & Solution

Answer: Option C

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16

If a program is linked against a static library then

A) machine code of the used function is copied in the executable B) used function definition is copied into the preprocessd code C) used function definition is provided at the time of compiling D) none of the mentioned

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Answer & Solution

Answer: Option A

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17

By default if any regular file is created, the number of link is displayed as 1 ?

A) True B) False

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Answer & Solution

Answer: Option A

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18

Which is loaded into memory when system is booted?

A) Kernel B) Shell C) Commands D) Script

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Answer & Solution

Answer: Option A

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19

Which one of the following statement is not true about the format-control letters for printf statement in awk program?

A) "c" prints a number as an ASCII character B) "d" prints a decimal integer C) "h" prints an unsigned hexadecimal integer D) "o" prints an unsigned octal integer

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Answer & Solution

Answer: Option C

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20

What is the output of this program?

#include<stdio.h>
#include<stdlib.h>
#include<fcntl.h>
 
int main()
{
    int fd, new_fd;
    char *buff;
    buff = (char *)malloc(sizeof(char)*8);
    fd = open("test.c",O_RDONLY);
    new_fd = dup(fd);
    close(fd);
    read(new_fd,buff,8);
    printf("%s\n",buff);
}

A) this program will not print anything B) this program will print "#include" C) this program will give the segmentation fault D) this program will give the syntax error

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Answer & Solution

Answer: Option B

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Linux MCQ Questions & Answers | Computer Science