You can open this dialog again by pressing and releasing the ratpoison escape key, control+escape, and pressing a capital G. This file will list the customized default shortcut keys available in the GUI window manager called ratpoison, as well as give a brief overview of your new system.

System Overview
Since you have installed the base preset with GUI support, a minimal environment has been created for you, including the following components:
mate-terminal, terminal emulator providing access to the command line
notification-daemon, provides desktop notifications for supported apps and websites
mate-screensaver, screen locker
Pipewire, sound system
scrot, command line screenshot utility, also used by OCR
Tesseract, OCR System allows you to convert screenshots or scanned pages to selectable and paste-able text
udisks2, mount drives and other media as a normal user without needing to be root
zenity, dialog display script, used in run, ocr, date and time, battery, and other system messages and prompts
The shortcut keys are listed below. Replace escape with the ratpoison escape key, which is bound to control+escape by default:
escape 0 through escape 9: switch to the first through tenth window on the current workspace
escape control 0 through escape control 9: switch to the first through tenth workspace
escape b, display battery status
escape c, open another terminal window using terminator
escape question mark (?) : show list of keyboard commands and what commands they execute
escape G(capital g): Opens introduction and default keybinding list
escape l: lock screen
escape o: other, switches between the last two active windows
escape O(capital o): restarts speech system and screen reader
escape t: displays the time in a window
escape T(capital t): displays current date in a window
escape v: raises volume
escape V(Capital v): lowers volume
escape w: displays list of windows and the associated numbers in a separate window
escape w(capital w): runs OCR on current window
escape control w: Runs OCR on a connected scanner or other sane-compatible image acquizition device
escape ,(comma): turns screen off
escape .(period): turns screen on
escape !(Exclamation point): opens run box to enter a command
