What is the output of this program?
#include<stdio.h>
#include<unistd.h>
int main()
{
pid_t child;
child = fork();
printf("%d\n",child);
return 0;
}
#include<stdio.h>
#include<unistd.h>
int main()
{
pid_t child;
child = fork();
printf("%d\n",child);
return 0;
}A. it will print "0"
B. it will print the PID of the child process
C. it will print "0" & the PID of the child process
D. none of the mentioned
Answer: Option C

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