Convert a full pathname to just a path
Syntax
dirname pathname
Prints all but the final slash-delimited component of a
string (presumably a filename).
If PATHNAME is a single component, `dirname' prints `.'
(meaning the current directory)
Related:
hash - Remember the full pathname of a name argument
ls - List information about File(s)
which - Show full path of commands
Equivalent Windows commands:
SET Parameters - get a full or partial
pathname from a variable.
