The 'system' function will send the 'command' string to the underlying operating system for execution. After execution of the 'command', the 'system' function will return a T result if the 'command' was successful. If the 'command' was not successful, the numeric error code will be returned. Any output from the 'command' execution will not be put in the transcript file.
Note: In Nyquist, this function is only defined to work on Unix
systems [including Linux and
(system "ls") ; do a directory listing