Answer Posted / neenu jacob

#include <stdio.h>

main()
{
int pid,ppid;
int q=getpid();
int gid,egid,uid,euid;
int f=fork();
if (f==0)
{
printf("hai\n%d\n%d\n%d",getuid(),geteuid());

}
else
{
pid=getpid();
ppid=getppid();
printf("%d\n%d\n%d\n%d",pid,ppid,q,f);
}
system("cat /home/mec/lab1.c");
}

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