Question

could someone please explain this code and the output to me?

#include <stdio.h>

#include <unistd.h>

int main(void)

{

printf("one\n");

fork();

printf("two\n");

return 0;

}

Answer 1

Ouput:

Explanation:

fork() function is used in order to create new process (child process).

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Commented code:

Code to copy:

//header files

#include <stdio.h>

#include <unistd.h>

// main function

int main(void)

{

// this print will normally print "One"

printf("one\n");

// fork function will create a new process

// the "two" statement will print twice,

// because of fork() function

fork();

printf("two\n");

// return

return 0;

}

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