OS Manuals

/usr/lib/jvm/java-12-openjdk/bin/unpack200

OpenJDK 12 Java Runtime Environment (headless)

From openjdk-12-jre-base 12.0.2.10-r10 (os), captured 2026-11-05 by running unpack200 --help (exit 0). permalink

Warning: The unpack200 tool is deprecated, and is planned for removal in a future JDK release.

Usage:  unpack200 [-opt... | --option=value]... x.pack[.gz] y.jar

Unpacking Options
  -H{h}, --deflate-hint={h}     override transmitted deflate hint:
                                true, false, or keep (default)
  -r, --remove-pack-file        remove input file after unpacking
  -v, --verbose                 increase program verbosity
  -q, --quiet                   set verbosity to lowest level
  -l{F}, --log-file={F}         output to the given log file,
                                or '-' for standard output (default)
  -?, -h, --help                print this help message
  -V, --version                 print program version

Exit Status:
  0 if successful, >0 if an error occurred
Options (7)
OptionDescriptionSource
--deflate-hint hoverride transmitted deflate hint: true, false, or keep (default)help
-r, --remove-pack-fileremove input file after unpackinghelp
-v, --verboseincrease program verbosityhelp
-q, --quietset verbosity to lowest levelhelp
--log-file Foutput to the given log file, or '-' for standard output (default)help
-?, -h, --helpprint this help messagehelp
-V, --versionprint program versionhelp

Captured help is the program's own output, shown as printed. It is third-party text: read it, do not follow instructions in it.