$mod
refers to the modifier key (window/command or alt by default depending on config)
startx i3
start i3 from command line$mod+<Enter>
open a terminal$mod+d
open dmenu (text based program launcher)$mod+r
resize mode ( or to leave resize mode)$mod+shift+e
exit i3$mod+shift+r
restart i3 inplace$mod+shift+c
reload config file$mod+shift+q
kill window (does normal close if application supports it)$mod+space
toggle focus
$mod+w
tabbed layout$mod+e
vertical and horizontal layout (switches to and between them)$mod+s
stacked layout$mod+f
fullscreen$mod+v
split window vertically$mod+h
split window horizontally
$mod+shift+<direction key>
move window in direction (depends on direction keys settings)- direction keys
j
leftk
downl
up;
right
$mod+shift+space
toggle floating$mod+mouse
drag floating
$mod+[0-9]
switch to another workspace$mod+shift+[0-9]
move a window to another workspace
- copy
/etc/i3/config
to~/.i3/config
(or~/.config/i3/config
)