How to use USB (PE) operation system in virtualbox as vmdk image file

```

# Check usb id

sudo fdisk -l

# Create vmdk file from usb

sudo vboxmanage internalcommands createrawvmdk -filename  ~/UsbDisk.vmdk -rawdisk /dev/sdc

# Change file permissions

sudo chown $USER:$USER ~/UsbDisk.vmdk

sudo usermod -a -G vboxusers $USER

# Reboot

sudo reboot

# Add vmdk storage to storage controller.

https://www.beizigen.com/post/virtualbox-under-ubuntu-starts-from-usb-flash-drive/

```