File::PathConvert(3pm) on Linux
The text e1dff9eca775, as Debian 9 (Stretch) shipped it. The page shows this text now.
convert an absolute path to a relative path rel2abs - convert a relative path to an absolute path realpath - convert a logical path to a physical path (resolve symlinks) splitpath - split a path in to volume, directory and filename components joinpath - join volume, directory, and filename components to form a path splitdirs - split directory specification in to component names joindirs - join component names in to a directory specification setfstype - set the file system type