How to change the Virtual Disk size in Virtual Box

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To increase the vdi size issue the following command:

D:\VirtualBox VMs\OEL6U3-Developer>"c:\Program Files\Oracle\VirtualBox\VBoxManag
e.exe" modifyhd OEL6U3-OS.vdi --resize 51200
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%


c:\Program Files\Oracle\VirtualBox\VBoxManage.exe is the Virtual Box exe
D:\VirtualBox VMs\OEL6U3-Developer\OEL6U3-OS.vdi is the VDI file
51200 is in MB = 50 GB

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