z: z (bash/zsh extension)
z:
z: Tracks your most used directories, based on 'frecency'.
z: After  a  short  learning  phase, z will take you to the most
z: 'frecent' directory that matches ALL of the regexes given on the
z: command line, in order. For example, z foo bar would match /foo/bar
z: but not /bar/foo.
z:
z: Homepage: https://github.com/rupa/z
z:
z: