Linux Commands Examples

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Configuration Info


jinfo [ option ] pid
[ option ] executable core
[ option ] [server-id@]remote-hostname-or-IP

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jinfo prints Java configuration information for a given Java process or core file or a remote debug server. Configuration information includes Java System properties and Java virtual machine command line flags. If the given process is running on a 64-bit VM, you may need to specify the -J-d64 option, e.g.:

jinfo -J-d64 -sysprops pid

NOTE - This utility is unsupported and may or may not be available in future versions of the JDK. On Windows, jinfo only supports the -flag option of a running process.


<no option>

prints both command line flags as well as System properties name, value pairs.

-flag name

prints the name and value of the given command line flag.

-flag [+|-]name

enables or disables the given boolean command line flag.

-flag name=value

sets the given command line flag to the specified value.


prints command line flags passed to the JVM. pairs.


prints Java System properties as name, value pairs.


prints a help message


prints a help message



Options are mutually exclusive. Option, if used, should follow immediately after the command name.


process id for which the configuration info is to be printed. The process must be a Java process. To get a list of Java processes running on a machine, jps may be used.


Java executable from which the core dump was produced.


core file for which the configuration info is to be printed.


remote debug server’s (see jsadebugd) hostname or IP address.


optional unique id, if multiple debug servers are running on the same remote host.

see also





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