You've just worked with the virtual machine options item to enable shared folders. There are some other settings that you can select from this tab. Some of the most interesting options are discussed in this section.
When working with a virtual machine, you can have a snapshot created automatically. A snapshot is like a picture of the current state of a virtual machine that allows you to go back to that specific state in an easy way. As an additional protection for virtual machines, you can have snapshots created automatically when powering off. However, using snapshots may be dangerous if you don't know what you're doing; they do use disk space and by using snapshots, you risk running out of available disk space. Also, performance will worsen if there are snapshots for your virtual machines.
To enable the automatic snapshot feature, access the Snapshots menu option and select between the following when powering off the options:
Just power off...