puInstance.bat/sh - starts a single instance of a PU. Used usually in development.
setenv.bat - general settings. Used by all scripts.
startJiniLUS.bat/sh - starts an instance of the LUS. Called by the GSA. You should not use this script directly when using the GSA.
startJiniTX_Mahalo.bat/sh - starts an instance of the Distributed transaction manager. You should not use this script directly when using the GSA.
gs-focalserver.bat/sh - an old script used to run a server that is consolidating data from multiple JMX servers. It is there for backward compatibility.