CTRL + B ?  list-keys
CTRL + B :list-keys
CTRL + B :set-option -g prefix2 C-a
CTRL + B >  display-menu
CTRL + B <  display-menu
### scroll screen buffer
CTRL + B PgUp   enter the screen buffer mode
CTRL + C    exit the screen buffer
CTRL + B :set -g mouse on
CTRL + B :set -g mouse off
### expand history buffer size; default 2000
CTRL + B :set -g history-limit 30000

tmux sessions
###  new sessions
tmux
tmux new
tmux new-session
CTRL + B :new
tmux new -s sessionname
### list sessions
tmux ls
CTRL + B s
###  attach sessions
tmux a
tmux att
tmux attach
tmux attach-session
tmux a -t sessionname/sessionnumber
###  remove sessions
tmux kill-ses
tmux kill-session -t sessionname
###  key bindings
CTRL + B D  detach session
CTRL + B )	next session
CTRL + B (	previous session
CTRL + B $	rename session

tmux windows
###  windows are like tabs in a browser. Windows exist in sessions and occupy the space of a session screen.
###  key bindings
CTRL + B C	create window
CTRL + B 0 … 9	select window by number
CTRL + B W	list windows
CTRL + B &	kill window
CTRL + B N move to next window
CTRL + B P	move to previous window
CTRL + B L	move to window last used
CTRL + B ‘	select window by name
CTRL + B .	change window number
CTRL + B ,	rename window
CTRL + B F	search windows

tmux panes
###  panes are sections of windows that have been split into different screens — just like the panes of a real window!
###  key bindings
CTRL + B %	vertical split
CTRL + B “	horizontal split
CTRL + B →	move to pane to the right
CTRL + B ←	move to pane to the left
CTRL + B ↑	move up to pane
CTRL + B ↓	move down to pane
CTRL + B O	go to next pane
CTRL + B ;	go to last active pane
CTRL + B }	move pane right
CTRL + B {	move pane left
CTRL + B !	convent pane to window
CTRL + B X	kill pane

tmux copy mode
###  key bindings
CTRL + B [	- enter copy mode
CTRL + B ]	- paste from buffer
CTRL + B  :choose-buffer
CTRL+ space	- start selection
CTRL+ W - end selection
esc	- clear selection
Arrow keys - move
g - goto line
Alt + down - Half page down
C-r - Search backward
C-s - Search forward
n - Search again
tmux copy mode - vi
###  copy mode commands
space	- start selection
enter	- copy selection
g	- go to top
G	- go to bottom
h	- move cursor left
j	- move cursor down
k	- move cursor up
l	- move cursor right
/	- search
###	list paste buffers
q	quit
^   mark to begining of line
$   mark to end of line