Script repris et arrangé (voir xhost +).. Aucune prétention, j'ai simplement besoin de le retrouver en cas de besoin.

@echo off
SET DISPLAY=127.0.0.1:0.0
REM ile from the C drive.
REM

SET CYGWIN_ROOT=C:\cygwin
SET RUN=%CYGWIN_ROOT%\bin\run -p /usr/X11R6/bin

SET PATH=.;%CYGWIN_ROOT%\bin;%CYGWIN_ROOT%\usr\X11R6\bin;%PATH%

SET XAPPLRESDIR=/usr/X11R6/lib/X11/app-defaults
SET XCMSDB=/usr/X11R6/lib/X11/Xcms.txt
SET XKEYSYMDB=/usr/X11R6/lib/X11/XKeysymDB
SET XNLSPATH=/usr/X11R6/lib/X11/locale

if not exist %CYGWIN_ROOT%\tmp\.X11-unix\X0 goto CLEANUP-FINISH
attrib -s %CYGWIN_ROOT%\tmp\.X11-unix\X0
del %CYGWIN_ROOT%\tmp\.X11-unix\X0

:CLEANUP-FINISH
if exist %CYGWIN_ROOT%\tmp\.X11-unix rmdir %CYGWIN_ROOT%\tmp\.X11-unix

if "%OS%" == "Windows_NT" goto OS_NT

REM Windows 95/98/Me
echo startxwin.bat - Starting on Windows 95/98/Me

goto STARTUP

:OS_NT

echo startxwin.bat - Starting on Windows NT/2000/XP/2003

:STARTUP

%RUN% XWin -multiwindow -clipboard -silent-dup-error
%RUN% xhost +