i3lock is a simple screen locker like slock. After starting it, you will see a white screen (you can configure the color/an image). You can return to your screen by ...
† Nikolaev Institute of Inorganic Chemistry, SB RAS, 3 Akad. Lavrentiev Avenue, 630090 Novosibirsk, Russia ‡ N. S. Kurnakov Institute of General and Inorganic Chemistry, RAS, 31 Leninsky Avenue, ...