X11... What is is?

Discussion in 'macOS' started by Drew017, Feb 3, 2012.

  1. Drew017 macrumors 65816


    May 29, 2011
    East coast, USA
    After doing some browsing on my Mac, in the Utilities folder is an app called X11. I opened it, and it looked like terminal. Exactly what does X11 do... and How do I use it? Thanks!

    PS- I'm running OS X 10.5.8
  2. coolspot18 macrumors 65816

    Aug 16, 2010
  3. alexreich, Feb 3, 2012
    Last edited: Feb 3, 2012

    alexreich macrumors 6502a


    Jan 26, 2011
    I don't exactly understand it, but I know it helps various applications run in OS X. I know whenever I open Gimp (a image editing software) or Wine and WineBottler (apps to run Windows applications directly in OS X) it opens while I am using those applications.
  4. old-wiz macrumors G3

    Mar 26, 2008
    West Suburban Boston Ma
    *NIX applications are written to work with as many different systems as possible. One of the big issues with porting a *NIX application is the GUI since different targets use different GUI calls. X11 provides an interface between the *NIX applications and the GUI of the target system. X11 is a heavy duty protocol that provides a lot of flexibility.

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