minecraft java .bat file contents

@ECHO OFF

:: When setting the memory below make sure to include the amount of ram letter. M = MB, G = GB. Don't use 1GB for example, it's 1G ::

:: This is 64-bit memory ::
set memsixtyfour=2G

:: This is 32-bit memory - maximum 1.2G ish::
set memthirtytwo=1G

:: Don't edit past this point ::

if $SYSTEM_os_arch==x86 (
  echo OS is 32
  set mem=%memthirtytwo%
) else (
  echo OS is 64
  set mem=%memsixtyfour%
)
java -Xmx%mem% -XX:MaxPermSize=256M -jar forge-1.6.4-9.11.1.965-universal.jar nogui
PAUSE