This is a Compiz thing, where you have to install the Experimental compiz addons. Tiling windows is so you can have windows tiled, if you have a lot of windows opened. It comes in handy if youre a developer, with a lot of windows opened at the same time. Down below, is the link for my video about Experimental compiz addons.
Experimental Compiz Addons:
[ Ссылка ]
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