rpi os version: bookworm
Ctrl
+Alt
+T
Ctrl
+Shift
+Q
Alt
+Tab
Ctrl
+Alt
+Left
/Right
Ctrl
+Alt
+Up
Ctrl
+Alt
+W
Ctrl
+Alt
+B
Ctrl
+Alt
+M
Menu
Ctrl
+W
cat /etc/os-release
dm-tool lock
sudo apt update
sudo apt full-upgrade
vimtutor
man systemctl
man systemd
~/Bookshelf/C_and_GUI_Programming_2nd_Edition.pdf