Free Knowledge Resources


Linux Manual Pages


Free Software * Books

Source Code

Free Media

Linux

pong(6x)


NAME

   pong - Pong Home Video Game Emulator

SYNOPSIS

   pong  [-display  host:display.screen]  [-foreground color] [-background
   color] [-window] [-root] [-mono] [-install]  [-visual  visual]  [-clock
   float] [-noise] [-fps]

DESCRIPTION

   The  pong program simulates an ancient Pong home video game, as well as
   various artifacts from displaying it on a color TV set.

OPTIONS

   pong accepts the following options:

   -window Draw on a newly-created window.  This is the default.

   -root   Draw on the root window.

   -mono   If on a color display, pretend we're on a monochrome display.

   -install
           Install a private colormap for the window.

   -visual visual
           Specify which visual to use.  Legal values are the  name  of  a
           visual  class,  or the id number (decimal or hex) of a specific
           visual.

   -clock  The score of the game will be the current time.

   -noise float
           How noisy the video signal should be (between 0.0  and  4.0  or
           so).

   -fps    Display the current frame rate and CPU load.

ENVIRONMENT

   DISPLAY to get the default host and display number.

   XENVIRONMENT
           to  get  the  name of a resource file that overrides the global
           resources stored in the RESOURCE_MANAGER property.

X RESOURCES

   Notable X resources supported include the following which correspond to
   standard  TV controls: analogTVTint, analogTVColor, analogTVBrightness,
   and analogTVContrast.  They range from 0 to 100, except for tint  which
   is an angle between -180 and +180.

TRADEMARKS

   Pong may be a trademark.

SEE ALSO

   X(1), xscreensaver(1), xanalogtv(6x), apple2(6x)

COPYRIGHT

   2003  by  Jeremy English.  Permission to use, copy, modify, distribute,
   and sell this software and its documentation for any purpose is  hereby
   granted without fee, provided that the above copyright notice appear in
   all copies and that both that  copyright  notice  and  this  permission
   notice appear in supporting documentation.  No representations are made
   about the suitability of this software for any purpose.  It is provided
   "as is" without express or implied warranty.

AUTHOR

   Original  Pong program by Jeremy English <jenglish@myself.com>. Scoring
   and television emulation by Trevor Blackwell <tlb@tlb.org>.



Opportunity


Personal Opportunity - Free software gives you access to billions of dollars of software at no cost. Use this software for your business, personal use or to develop a profitable skill. Access to source code provides access to a level of capabilities/information that companies protect though copyrights. Open source is a core component of the Internet and it is available to you. Leverage the billions of dollars in resources and capabilities to build a career, establish a business or change the world. The potential is endless for those who understand the opportunity.

Business Opportunity - Goldman Sachs, IBM and countless large corporations are leveraging open source to reduce costs, develop products and increase their bottom lines. Learn what these companies know about open source and how open source can give you the advantage.



Free Software


Free Software provides computer programs and capabilities at no cost but more importantly, it provides the freedom to run, edit, contribute to, and share the software. The importance of free software is a matter of access, not price. Software at no cost is a benefit but ownership rights to the software and source code is far more significant.

Free Office Software - The Libre Office suite provides top desktop productivity tools for free. This includes, a word processor, spreadsheet, presentation engine, drawing and flowcharting, database and math applications. Libre Office is available for Linux or Windows.



Free Books


The Free Books Library is a collection of thousands of the most popular public domain books in an online readable format. The collection includes great classical literature and more recent works where the U.S. copyright has expired. These books are yours to read and use without restrictions.

Source Code - Want to change a program or know how it works? Open Source provides the source code for its programs so that anyone can use, modify or learn how to write those programs themselves. Visit the GNU source code repositories to download the source.



Education


Study at Harvard, Stanford or MIT - Open edX provides free online courses from Harvard, MIT, Columbia, UC Berkeley and other top Universities. Hundreds of courses for almost all major subjects and course levels. Open edx also offers some paid courses and selected certifications.

Linux Manual Pages - A man or manual page is a form of software documentation found on Linux/Unix operating systems. Topics covered include computer programs (including library and system calls), formal standards and conventions, and even abstract concepts.


birds banner