tmux – terminal multiplexer

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tmux is a terminal multiplexer: it enables a number of terminals to be created, accessed, and controlled from a single screen. tmux may be detached from a screen and continue running in the background, then later reattached.

When tmux is started it creates a new session with a single window and displays it on screen. A status line at the bottom of the screen shows information on the current session and is used to enter interactive commands.

A session is a single collection of pseudo terminals under the management of tmux. Each session has one or more windows linked to it. A window occupies the entire screen and may be split into rectangular panes, each
of which is a separate pseudo terminal . Any number of tmux instances may connect to the same session, and any number of windows may be present in the same session. Once all sessions are killed, tmux exits.

Install tmux in ubuntu

Open the terminal and run the following comamnd

sudo apt-get install tmux

tmux syntax

tmux [-28lquv] [-c shell-command] [-f file] [-L socket-name] [-S socket-path] [command [flags]]


tmux may be controlled from an attached client by using a key combination of a prefix key, `C-b' (Ctrl-b) by default, followed by a command key.

The default command key bindings are:

C-b Send the prefix key (C-b) through to the application.
C-o Rotate the panes in the current window forwards.
C-z Suspend the tmux client.
! Break the current pane out of the window.
" Split the current pane into two, top and bottom.
# List all paste buffers.
$ Rename the current session.
% Split the current pane into two, left and right.
& Kill the current window.
‘ Prompt for a window index to select.
, Rename the current window.
-- Delete the most recently copied buffer of text.
. Prompt for an index to move the current window.
0 to 9 Select windows 0 to 9.
: Enter the tmux command prompt.
; Move to the previously active pane.
= Choose which buffer to paste interactively from a list.
? List all key bindings.
D Choose a client to detach.
[ Enter copy mode to copy text or view the history.
] Paste the most recently copied buffer of text.
c Create a new window.
d Detach the current client.
f Prompt to search for text in open windows.
i Display some information about the current window.
l Move to the previously selected window.
n Change to the next window.
o Select the next pane in the current window.
p Change to the previous window.
q Briefly display pane indexes.
r Force redraw of the attached client.
s Select a new session for the attached client
L Switch the attached client back to the last session.
t Show the time.
w Choose the current window interactively.
x Kill the current pane.
{ Swap the current pane with the previous pane.
} Swap the current pane with the next pane.
~ Show previous messages from tmux, if any.
Page Up Enter copy mode and scroll one page up.
Up, Down
Left, Right
Change to the pane above, below, to the left, or to the
right of the current pane.
M-1 to M-5 Arrange panes in one of the five preset layouts: even-
horizontal, even-vertical, main-horizontal, main-
vertical, or tiled.
M-n Move to the next window with a bell or activity marker.
M-o Rotate the panes in the current window backwards.
M-p Move to the previous window with a bell or activity
C-Up, C-Down
C-Left, C-Right
Resize the current pane in steps of one cell.
M-Up, M-Down
M-Left, M-Right
Resize the current pane in steps of five cells.

Key bindings may be changed with the bind-key and unbind-key commands.



Check the tmux man page for more command line options.

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