i3 wm

Best keyboard efficient windows manager

Install

Launch script Install/i3-install.

Lock your screen

Use the dmenu and use the i3lock program.

Activate a wifi connection

Start the nmtui program in a terminal.

Multiple monitors

To get information :

xrandr

To adjust screen setup :

xrandr --output HDMI-0 --auto --above DP-0

Filter windows

To get informations used by filter, for example with for_window, use xprop.