Editing Comparison of command shells (section)

=== Directory history, stack or similar features ===
{{Further|pushd and popd}}
Shells may record a history of directories the user has been in and allow for fast switching to any recorded location. This is referred to as a "directory stack". The concept had been realized as early as 1978<ref>{{Cite book|last=Hahn|first=Harley|url=https://www.worldcat.org/oclc/184828059|title=Harley Hahn's guide to Unix and Linux|date=2009|publisher=McGraw-Hill Higher Education|isbn=978-0-07-313361-4|location=Boston|oclc=184828059}}</ref> in the release of [[C shell|the C shell]] (csh).

Command line interpreters [[4DOS]] and its graphical successor [[Take Command Console]] also feature a directory stack.