P4
When issuing a dcmd, one can get the help for the command by calling the "help" dcmd like this:
```
jcmd 4711 help VM.metaspace
```
whereas this does not work:
```
jcmd 4711 VM.metaspace help
```
It would be convenient if that would work, though.
```
jcmd 4711 help VM.metaspace
```
whereas this does not work:
```
jcmd 4711 VM.metaspace help
```
It would be convenient if that would work, though.
