An archive or disk image may have utility in speeding up a whole disk backup because the internal file structure is now hidden from the file system. Instead of numerous files and directories in the ...

VHD (Virtual Hard Disk) is a file format that represents a virtual hard disk drive (HDD). It may contain what is found on a physical HDD, such as disk partitions and a file system, which in turn can ...

Inside your Dropbox folder is a hidden cache folder that stores deleted files locally on your computer for faster restores. If you use Dropbox a lot, this cache folder can eat up valuable HD space.

In Mac OS X Lion, Apple has completely revamped FileVault, removing it as a simple encryption of users' Home folders and reinstating it as full disk encryption solution, with an apparent option to ...