Cache Directory Tagging Standard

The Cache Directory Tagging Standard is a simple way to mark directories that should be excluded from backups or other archiving.

Details
The standard proposes that if a particular file named CACHEDIR.TAG is present in a directory, the contents of that directory and all its subdirectories need not be archived.

The first 43 bytes of a CACHEDIR.TAG file are the ASCII string " ". Any following bytes are insignificant.

Specifications

 * Cache Directory Tagging Standard

Software

 * Supported by GNU tar, starting with version 1.15 ( option)

Links

 * Cache Directory Tagging web site