With cinfo you can find out how much of a file is already resident in memory. This is useful if you want to figure out if your server could do with more memory to improve caching behaviour.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.
