Um, what exactly do you mean? Do you mean editing your startscript? That would be right-clicking on the .bat and opening it with a text editor. Do you mean writing a batch file to grab the latest craftbukkit and update your server? I can't help you for windows, but I have one for my server (CentOS Linux) to update to the latest devbuild (We are living in the time of 1.0 dev builds currently): Code: #!/bin/bash OF=/home/minecraft/bukkit-backup/old-craftbukkit-$(date +%Y%m%d).jar wget http://ci.bukkit.org/job/dev-CraftBukkit/lastSuccessfulBuild/artifact/target/craftbukkit-1.0.0-SNAPSHOT.jar mv craftbukkit.jar $OF mv craftbukkit-1.0.0-SNAPSHOT.jar craftbukkit.jar