How to achieve List/Tree view in Nautilus?

You can do this in the Nautilus (Also called "Files") preferences window. Here's how:

Make sure you have "Files" (program) running (or else the menus will NOT bring you the correct sub menus when you click on them)
Click Edit > Preferences
On the Views tab, select the List View viewing option next to "View new folders using:" and click close.

You're done!

Nautilus preferences window

gsettings set org.gnome.nautilus.preferences default-folder-viewer 'list-view'

Options are 'list-view', 'icon-view' and 'compact-view'.

The tree view can be enabled from the files > preferences. There is a check box for this.

Version : 3.8.2

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This is the "List View" in Nautilus up to v3.4 (shipped with Ubuntu 12.10). It's no longer available in Nautilus v3.6

You can activate it in the "View" menu:

Screenshot of the Naulius View menu

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