fath0m@thinkpad:~$ netbeans --help
Usage: /usr/share/netbeans/8.1/platform/lib/nbexec {options} arguments

General options:
  --help                show this help 
  --jdkhome <path>      path to Java(TM) 2 SDK, Standard Edition
  -J<jvm_option>        pass <jvm_option> to JVM

  --cp:p <classpath>    prepend <classpath> to classpath
  --cp:a <classpath>    append <classpath> to classpath
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.netbeans.ProxyURLStreamHandlerFactory (file:/usr/share/netbeans/platform18/lib/boot.jar) to field java.net.URL.handler
WARNING: Please consider reporting this to the maintainers of org.netbeans.ProxyURLStreamHandlerFactory
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Exception in thread "main" java.lang.SecurityException: setContextClassLoader
	at java.base/jdk.internal.misc.InnocuousThread.setContextClassLoader(InnocuousThread.java:116)
	at org.netbeans.ModuleManager.updateContextClassLoaders(Unknown Source)
	at org.netbeans.ModuleManager.<init>(Unknown Source)
	at org.netbeans.core.startup.ModuleSystem.<init>(Unknown Source)
	at org.netbeans.core.startup.ModuleSystem.<init>(Unknown Source)
	at org.netbeans.core.startup.CLICoreBridge.usage(Unknown Source)
	at org.netbeans.CLIHandler.showHelp(Unknown Source)
	at org.netbeans.CLIHandler.checkHelp(Unknown Source)
	at org.netbeans.CLIHandler.initialize(Unknown Source)
	at org.netbeans.CLIHandler.initialize(Unknown Source)
	at org.netbeans.MainImpl.execute(Unknown Source)
	at org.netbeans.MainImpl.main(Unknown Source)
	at org.netbeans.Main.main(Unknown Source)