Gnome
Shortcuts
gsettings set org.gnome.desktop.wm.keybindings switch-applications "['<Super>Tab']" # don't group windows on Alt+Tab
gsettings set org.gnome.desktop.wm.keybindings switch-windows "['<Alt>Tab']" # don't group windows on Alt+Tab
gsettings set org.gnome.desktop.wm.keybindings begin-move '[]' # release Alt+F7 shortcut for PhpStorm
gsettings list-recursively org.gnome.desktop.wm.keybindings | grep -F '<Alt>F7' # find specific shortcut
gsettings set org.gnome.desktop.peripherals.touchpad send-events disabled-on-external-mouse # automatically disable the touchpad when a mouse is plugged in
gsettings set org.gnome.desktop.peripherals.touchpad send-events enabled # undo previous config
Default GUI text editor
Find the text/plain=gedit.desktop text in the one of the following files:
vi ~/.local/share/applications/mimeapps.list # local user
sudo vi /usr/share/applications/defaults.list # all users
sudo vi /etc/gnome/defaults.list # defaults
text/plain=sublime_text.desktop
Default Console Text Editor
sudo update-alternatives --config editor