Cache Directory Tagging Standard

File Format
Name	Cache Directory Tagging Standard
Ontology	Electronic File Formats Archiving Cache Directory Tagging Standard
Extension(s)	.tag
Released	2004

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 "Signature: 8a477f597d28d172789f06886806bc55". Any following bytes are insignificant.

Specifications

• Cache Directory Tagging Standard

Software

• Supported by GNU tar, starting with version 1.15 (--exclude-caches option)

Links

• Cache Directory Tagging web site