NAME
       system - execute a shell command

SYNOPSIS
       #include <stdlib.h>

       int system(const char *command);

DESCRIPTION
       system() executes a command specified in command by calling /bin/sh -c command, and
       returns after the command has been completed.  During  execution  of  the  command,
       SIGCHLD will be blocked, and SIGINT and SIGQUIT will be ignored.