Do snapshots eat up substantial disk space? The files contained in the Snapshots folder in a VMs package contents seem surprisingly small at only 10-20K bytes. How can this store a VM's state? Is it just a pointer into the huge hdd file? Background I am a software developer. I take a lot of snapshots of the powered-down VM after installation. When something goes wrong I can revert back. I can also branch-off from an earlier snapshot for starting new software development work that might require different tools. Example snapshots: Installed Parallels Tools, Windows updates, activated Windows Installed VS2010 Installed VS2012 Installed LabVIEW Thanks in advance, -Ed