Ignoring “write” operations, for the moment, a file system is just an implementation, a concrete manifestation, of a map from file names to file contents. A UNIX style file system complicates the story because file names are “paths” through a

Ignoring “write” operations, for the moment, a file system is just an implementation, a concrete manifestation, of a map from file names to file contents. A UNIX style file system complicates the story because file names are “paths” through a