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Re:How does `cd` work? by jerf on Thursday March 01, 2018 @02:37PM (#16495388)
The explanation is at the end of the linked page.

As far as I know, you will need to provide the user with an alias or a function or something that can put in their .bashrc or something, and there is no other way to do it. (Anything that could would constitute a violation of the UNIX process model.)

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