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.

Like most modern browsers, Firefox uses a cache folder to save content items that it has downloaded from the Web. You may wish to change the folder or drive that ...

There are a variety of maintenance routines that people can run in OS X, including the disk verification and permissions repair that come with the system, along with scripts such as cache cleaners ...

The disk cache in OS X can sometimes use a fair amount of the system's RAM, and clearing it can help you figure out how much RAM your applications and system processes are using. Topher, an avid Mac ...

A file of data on a local hard drive. When downloaded data are temporarily stored on the user's local disk or on a local network disk, it speeds up retrieval the next time the user wants that same ...