If you don't have a Linux system at hand, you can get the manual page online: http://man7.org/linux/man-pages/man7/ascii.7.html http://man7.org/linux/man-pages/

If you don't have a Linux system at hand, you can get the manual page online: http://man7.org/linux/man-pages/man7/ascii.7.html http://man7.org/linux/man-pages/man7/ascii.7.html