On Linux distros (e.g. Ubuntu, Fedora, CentOS, Arch Linux) using GNOME as DE will encounter an issue where GNOME's key bindings conflict with IDEs'. So, when pressing
Ctrl-Shift-Alt-Down on your text editor it simply doesn't work. To fix this, we'll cover how to edit
gsettings in both CLI and GUI.
gsettings list-recursively to find commands bind to
gsettings list-recursively org.gnome.desktop.wm.keybindings | grep '<Control><Shift><Alt>Down\|<Control><Shift><Alt>Up'
org.gnome.desktop.wm.keybindings move-to-workspace-down ['<Control><Shift><Alt>Down'] org.gnome.desktop.wm.keybindings move-to-workspace-up ['<Control><Shift><Alt>Up']Output
gsettings set to set key bindings to an empty array
gsettings set org.gnome.desktop.wm.keybindings move-to-workspace-down  gsettings set org.gnome.desktop.wm.keybindings move-to-workspace-up 
The process is pretty much the same, but done in
dconf is a GUI tool that edits
gsettings, to install:
sudo apt-get install dconf-editor
yay -S dconf
Don't know how to install packages on Arch based Linux? A full guide on Two Ways to Install Packages from AUR on Arch Linux/Manjaro.
sudo dnf install dconf-editor
sudo yum install dconf-editor
dconf then navigate to
/org/gnome/desktop/wm/keybindings/, which is where key bindings are set:
Find commands that bind to
Use default value and set the value to an empty array
 then press apply: