Hi, I simply enter "java -X" then, core dumped. Is this a bug ? or I forgot to do something ? My enviroment is RedHat 5.2 (kernel 2.2.9) TIA Nozomi Matsumura [EMAIL PROTECTED] --- cut here --- cut here --- cut here --- cut here --- cut here --- % java -X -Xbootclasspath:<directories and zip/jar files separated by :> set search path for bootstrap classes and resources -Xnoclassgc disable class garbage collection -Xms<size> set initial Java heap size -Xmx<size> set maximum Java heap size -Xrs reduce the use of OS signals -Xcheck:jni perform additional checks for JNI functions -Xrunhprof[:help]|[:<option>=<value>, ...] perform heap, cpu, or monitor profiling -Xdebug enable remote debugging The -X options are non-standard and subject to change without notice. Segmentation fault --- cut here --- cut here --- cut here --- cut here --- cut here --- ---------------------------------------------------------------------- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]