And I'll add: cmd+opt+shift+esc force quits the current app (cmd+opt+esc opens the force quit window, as the former doesn't work sometimes). Cmd+q quits the c

And I'll add: cmd+opt+shift+esc force quits the current app (cmd+opt+esc opens the force quit window, as the former doesn't work sometimes). Cmd+q quits the current app, and, when command is held and we're cycling through apps with cmd+tab, it quits the currently selected app. If you need to quit multiple apps at once, hold cmd, press tab to select the apps to quit, and just quit them with q.