Tente este:
#! /bin/env bash
gsettings set org.gnome.desktop.wm.keybindings cycle-panels "[]"
gsettings set org.gnome.desktop.wm.keybindings cycle-panels-backward "[]"
gsettings set org.gnome.desktop.wm.keybindings move-to-workspace-down "['<Shift><Super>Page_Down']"
gsettings set org.gnome.desktop.wm.keybindings move-to-workspace-left "[]"
gsettings set org.gnome.desktop.wm.keybindings move-to-workspace-right "[]"
gsettings set org.gnome.desktop.wm.keybindings move-to-workspace-up "['<Shift><Super>Page_Up']"
gsettings set org.gnome.desktop.wm.keybindings panel-main-menu "['<Super>s']"
gsettings set org.gnome.desktop.wm.keybindings switch-applications-backward "['<Shift><Super>Tab']"
gsettings set org.gnome.desktop.wm.keybindings switch-applications "['<Super>Tab']"
gsettings set org.gnome.desktop.wm.keybindings switch-group-backward "['<Shift><Super>Above_Tab']"
gsettings set org.gnome.desktop.wm.keybindings switch-group "['<Super>Above_Tab']"
gsettings set org.gnome.desktop.wm.keybindings switch-panels "[]"
gsettings set org.gnome.desktop.wm.keybindings switch-panels-backward "[]"
gsettings set org.gnome.desktop.wm.keybindings switch-to-workspace-down "['<Super>Page_Down']"
gsettings set org.gnome.desktop.wm.keybindings switch-to-workspace-left "[]"
gsettings set org.gnome.desktop.wm.keybindings switch-to-workspace-right "[]"
gsettings set org.gnome.desktop.wm.keybindings switch-to-workspace-up "['<Super>Page_Up']"
gsettings set org.gnome.desktop.wm.keybindings unmaximize "['<Super>Down']"