jdk hsdb> history

hsdb> history
0 history
hsdb> universe
Command not valid until the attached to a VM
hsdb> attach 133
Attaching to process 133, please wait...
hsdb> universe
Heap Parameters:
ParallelScavengeHeap [ PSYoungGen [ eden = [0x000000076b500000,0x0000000787449e00,0x000000079c200000] , from = [0x000000079c200000,0x000000079c200000,0x000000079e480000] , to = [0x00000007aa780000,0x00000007aa780000,0x00000007ac980000] ] PSOldGen [ [0x00000006c1e00000,0x00000006ca9aa488,0x00000006d4080000] ] ] hsdb>
hsdb> scanoops
Usage: scanoops start end [ type ]
hsdb> scanoops 0x000000076b500000 0x000000079c200000 LeadController

^CError: java.lang.RuntimeException: not attached to a process or a core!
hsdb> root@HOME:/mnt/c/Users/Administrator# clear
root@HOME:/mnt/c/Users/Administrator#