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    I'd suggest it's not the "previous" directory but the parent directory. (Previous could be taken to mean previous in time, i.e. the last directory someone was in before the current one.) Commented Oct 9 at 21:06
  • Your answer could be improved with additional supporting information. Please edit to add further details, such as citations or documentation, so that others can confirm that your answer is correct. You can find more information on how to write good answers in the help center. Commented Oct 9 at 21:55