https://code.visualstudio.com/docs/editor/codebasics
Key Command Command ID
Ctrl+Shift+Alt+Down Column Select Down cursorColumnSelectDown
Ctrl+Shift+Alt+Up Column Select Up cursorColumnSelectUp
Ctrl+Shift+Alt+Left Column Select Left cursorColumnSelectLeft
Ctrl+Shift+Alt+Right Column Select Right cursorColumnSelectRight
Ctrl+Shift+Alt+PageDown Column Select Page Down cursorColumnSelectPageDown
Ctrl+Shift+Alt+PageUp Column Select Page Up cursorColumnSelectPageUp