Mark,
cd is a builtin, but the default fish installation comes with a function
called cd (which overshadows the builtin) which wraps the builtin and adds
some functionality such as recognizing "-" to mean "previous directory",
keeping the directory history, etc. You can see its definition by typing
"functions cd".
--Diego
On Mon, Oct 23, 2017 at 5:10 PM, Mark Volkmann <r.mark.volkm...@gmail.com>
wrote:
> Entering "builtin -n" lists all the builtins. This list includes "cd".
> Entering "type -t cd" says that cd is a function.
> How can cd be both a builtin and a function?
>
> --
> R. Mark Volkmann
> Object Computing, Inc.
>
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