Thanks for your report, you can do this with SHIFT+Double click. there's
a bug upstream related to this here:
http://bugzilla.gnome.org/show_bug.cgi?id=79150
** Changed in: nautilus (Ubuntu)
Assignee: (unassigned) = Ubuntu Desktop Bugs (desktop-bugs)
Status: New = Invalid
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Ok. Sorry I didn't find the feature.
But it seems we still can not open parent folder in new window
P.S. windows doesn't support new windows for back/forward - this may be
really very optional
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[Feature request] Ctrl allows to create new window
https://bugs.launchpad.net/bugs/159744
You