VirtualBox is packed with features that you may have never used, even if you frequently use it to run virtual machines. VMware keeps many of its best features to its paid versions, but all of VirtualBox’s features are completely free.
Many of the features here require Guest Additions installed in your virtual machine. This is good to do anyway, as installing the Guest Additions package will speed up your virtual machines.
Full article here:
10 VirtualBox Tricks and Advanced Features You Should Know About (How-To Geek)
