DMX(3)


NAME

   DMX - X Window System DMX (Distributed Multihead X) extension

DESCRIPTION

   The  DMX  extension provides support for communication with and control
   of Xdmx(1) server.  Attributes of the Xdmx(1) server and of  the  back-
   end screens attached to the server can be queried and modified via this
   protocol.

SUMMARY OF LIBRARY FUNCTIONS

   The following is a summary of DMX library functions:

   DMXQueryExtension(3) - determine if DMX is available

   DMXQueryVersion(3) - determine DMX extension version

   DMXSync(3) - flush protocol requests between  Xdmx(1)  and  back-end  X
   servers

   DMXForceWindowCreation(3) - force immediate back-end window creation

   DMXGetScreenCount(3) - determine number of back-end screens

   DMXGetScreenAttributes(3) - determine back-end screen attributes

   DMXChangeScreensAttributes(3) - change back-end screen attributes

   DMXAddScreen(3) - attach a new back-end screen

   DMXRemoveScreen(3) - detach a back-end screen

   DMXGetWindowAttributes(3) - determine back-end window attributes

   DMXGetDesktopAttributes(3) - determine global bounding box

   DMXChangeDesktopAttributes(3) - change global bounding box

   DMXGetInputCount(3) - determine number of input devices

   DMXGetInputAttributes(3) - determine input device attributes

   DMXAddInput(3) - attach a new backend or console input

   DMXRemoveInput(3) - detach an input

   DMXAddBackendInput(3) - attach a new back-end input

   DMXAddConsoleInput(3) - attach a new console input

   Each of these functions is described in its own man page.

SEE ALSO

   Xdmx(1), xdmxconfig(1), vdltodmx(1)





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.