src/solaris/doc/sun/man/man1/java.1

*** 919,933 ****
  When you specify
  \fB\-Xnoclassgc\fR
  at startup, the class objects in the application will be left untouched during GC and will always be considered live\&. This can result in more memory being permanently occupied which, if not used carefully, will throw an out of memory exception\&.
  .RE
  .PP
- \-Xprof
- .RS 4
- Profiles the running program and sends profiling data to standard output\&. This option is provided as a utility that is useful in program development and is not intended to be used in production systems\&.
- .RE
- .PP
  \-Xrs
  .RS 4
  Reduces the use of operating system signals by the JVM\&.
  .sp
  Shutdown hooks enable orderly shutdown of a Java application by running user cleanup code (such as closing database connections) at shutdown, even if the JVM terminates abruptly\&.
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