Each option and each argument to an option must be on its own line.You can, and should, experiment with changes to the launch command from your Command Prompt/Terminal before changing the eclipse.ini itself.There are many options available, please see here. If $ECLIPSE_HOME is not defined, the default eclipse.ini in your Eclipse installation directory (or in the case of Mac, the Eclipse.app/Contents/MacOS directory) is used.Įclipse.ini is a text file containing command-line options that are added to the command line used when Eclipse is started up. 2.3.1 Using a JDK without macOS directory layoutĮclipse startup is controlled by the options in $ECLIPSE_HOME/eclipse.ini.