 Windows/Mac OS/Linux
1.      Minecraft.    Windows   "" ( +R)-->-->   %APPDATA%\.minecraft \\    -    .minecraft
2.    bin,     minecraft.jar
3.     ,  zip (WinRAR, 7zip, )

4   minecraft.jar    "". !! ,    .
5.   META-INF   minecraft.jar (!)
6. 


