Linux MCQ Questions & Answers

51

The specific break point can be deleted by . . . . . . . . command in GDB.

A) delete B) del C) remove D) none of the mentioned

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Answer & Solution

Answer: Option A

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52

Which of the following is not correct statement regarding file types?

A) Hard links share same inode number B) Soft links cannot be created across partitions C) Socket files are Unix domain sockets D) Character file is a special file

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Answer & Solution

Answer: Option B

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53

Which one of the following is not correct?

A) proc filesystem does not contain any directory for thread in the process B) in multithread process thread details will not be available if the main thread is already terminated C) proc filesystem contain any directory D) none of the mentioned

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Answer & Solution

Answer: Option A

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54

Which option of rmdir command will remove all directories a, b, c if path is a/b/c

A) –b B) –o C) –p D) –t

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Answer & Solution

Answer: Option C

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55

The login shell is

A) The shell program that runs when the user logs in B) The shell program that authenticates the user while logging in C) Common shell for all the users that belong to the same group D) None of the mentioned

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Answer & Solution

Answer: Option A

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56

What is the output of this program?

#include<stdio.h>
#include<sys/time.h>
#include<sys/resource.h>
 
int main()
{
    struct rlimit limit;
    if(getrlimit(RLIMIT_NOFILE,&limit) != 0)
        perror("getrlimit");
    printf("%lu\n",limit.rlim_max);
    return 0;
}

A) this program will print the maximum numbers of the file descriptors that can be opened by a process B) this program will print the maximum numbers of the child processes of the current process C) this program will give an error because RLIMIT_NOFILE does not exist D) none of the mentioned

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Answer & Solution

Answer: Option A

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57

Which command is used to bring the background process to forground?

A) bg B) fg C) background D) forground

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Answer & Solution

Answer: Option B

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58

Each process has unique

A) fd table B) file table C) inode table D) data block table

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Answer & Solution

Answer: Option A

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59

Which command is used to set limits on file size

A) fsize B) flimit C) ulimit D) usize

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Answer & Solution

Answer: Option C

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60

Which one of the following GDB command deletes any breakpoint at the next instruction to be executed in the selected stack frame?

A) clear B) delete C) disable D) none of the mentioned

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Answer & Solution

Answer: Option A

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Linux MCQ Questions & Answers | Computer Science