Run Control File ========================= Xonsh allows you to have run control files to customize your shell behavior. These are called ``xonshrc`` files. The system-wide ``xonshrc`` file controls options that are applied to all users of Xonsh on a given system. You can create this file in ``/etc/xonshrc`` for Linux and OSX and in ``%ALLUSERSPROFILE%\xonsh\xonshrc`` on Windows. Xonsh also allows you to have a run control file in your home directory called ``~/.xonshrc``. The options set in the local ``xonshrc`` only apply to the current user and will override any conflicting settings set in the system-wide control file. These files are written in the xonsh language, of course. They are executed exactly once at startup. The following is a real-world example of such a file. :download:`Download xonshrc ` .. include:: xonshrc.xsh :code: xonsh