www.pudn.com > shell.rar > work2.c

#include
main()
{
	int pid1,pid2;
	while((pid1=fork())==-1)
		printf("creat first process error!!");
	if(pid1==0)
	{
		system("ls -l | grep '^-' | wc -l");
	}
	else
	{
		while((pid2=fork())==-1)
			printf("creat second process error!!");
		if(pid2==0)
		{	
			system("ls -l | grep '^-' ");
		}
		else
		{
			printf("\nchild processes are completed\n");
			exit(1);
		}
	}
}