/usr/lib/jvm/java-1.9-openjdk/bin/jimage

Usage: jimage <extract | info | list | verify> <options> jimage...

  extract  - Extract all jimage entries and place in a directory specified
             by the --dir=<directory> (default=.) option.

  info     - Prints detailed information contained in the jimage header.

  list     - Prints the names of all the entries in the jimage.  When used with
             --verbose, list will also print entry size and offset attributes.

  verify   - Reports on any .class entries that dont verify as classes.

Possible options include:
       --dir                        Target directory for extract directive
  -h,  --help                       Print usage message
       --include <pattern-list>     Pattern list for filtering entries.
       --verbose                    Listing prints entry size and offset
                                    attributes
       --version                    Print version information

For options requiring a <pattern-list>, the value will be a comma separated
list of elements each using one the following forms:
  <glob-pattern>
  glob:<glob-pattern>
  regex:<regex-pattern>