basic commands learned

• select lines: c+spc
• kill: c+w
• save: x+w
• yank: c+y
• suspend: c+z , resume $fg

windows

• delete other windows: c-x 1
• split-window below: c-x 2
• split window right: c-x 3
• move other other window: c-x o (switch window)

emacs on SSH setup