block-selection-mode
Enable block-selection-mode.

Commands
ctrl-entertoggle block-selection-mode
in the block-selection-mode
ctrl-fforward-charctrl-bbackward-charctrl-nnext-linectrn-pprevious-line
Enable block-selection-mode.

ctrl-enter toggle block-selection-modectrl-f forward-charctrl-b backward-charctrl-n next-linectrn-p previous-line