 
      
      execute()
	Execute system command. This is similar to C/C++'s system() function	
	
execute(command, wait = true)
command (string)  — Command to be executedwait (boolean)  — Wait for command to finish. The default value is true
number — Returns status code returned by the called command if wait is true. And always returns 0 if wait is false
execute("ls -al")