This TIL note is related to article Visualized desktop workspaces flow

How to Setup Cinnamon DE workspaces and keyboard shortcuts (instructions how to install Cinnamon DE on Ubuntu 18.04 are at the bottom)

step 1 - increase the number of workspaces

default numper of workspaces in Cinnamon is 4 (I need 6)

gsettings set org.cinnamon.desktop.wm.preferences num-workspaces 6

step 2 - Shortucuts for switching workspaces

Menu > Keyboard > Shortcuts Tab > Workspaces > Direct Navigation

Set

"Switch to workspace 1"   to be "Super+1"
"Switch to workspace 2"   to be "Super+2"
"Switch to workspace 3"   to be "Super+3"
"Switch to workspace 4"   to be "Super+8"
"Switch to workspace 5"   to be "Super+9"
"Switch to workspace 6"   to be "Super+0"

step 3 - Shortucuts for Moving window to workspaces

Menu > Keyboard > Shortcuts Tab > Windows > Inter-workspace

Set

"Move window to workspace 1"   to be "Alt+Super+1"
"Move window to workspace 2"   to be "Alt+Super+2"
"Move window to workspace 3"   to be "Alt+Super+3"
"Move window to workspace 4"   to be "Alt+Super+8"
"Move window to workspace 5"   to be "Alt+Super+9"
"Move window to workspace 6"   to be "Alt+Super+0"

(Optional) Disable workspace animation

Menu > Workspaces > OSD tab > enable workspace OSD > off

Menu > Effects > Window effects >  off

Install Cinamon on Ubuntu 18.04

sudo add-apt-repository ppa:embrosyn/cinnamon
sudo apt-get update
sudo apt install cinnamon