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tmux -- terminal multiplexer

SYNOPSIS

Shell Commands

  • start a new session: tmux
  • start a new named session, e.g. tmux new -s mynewsession
  • list sessions: tmux ls
  • attach to a session by number, e.g. tmux at 0
  • attach to a session by name, e.g. tmux at -t somename
  • kill a session by name, e.g. tmux kill-session -t somename

Key Bindings

The default command key prefix is C-b. Note it conflicts with any Emacs-style bindings.

  • s list/switch sessions
  • $ name session
  • c new window
  • , name window
  • f find window
  • & kill window
  • % split window vertically (columns)
  • " split window horizontally (rows)

DESCRIPTION

tmux:

  • is a terminal multiplexer
  • eliminates the need for multiple terminal windows
  • lets you switch easily between several programs in one terminal
  • lets you detach programs and keep them running in the background
  • lets you reattach programs to a different terminal
  • works well with emacs and vi

There are three ways to interact with tmux:

  • from the shell using tmux
  • through the tmux console
  • through key bindings

Shell Interactions

  • start a new session: tmux
  • start a new named session, e.g. tmux new -s mynewsession
  • list sessions: tmux ls
  • attach to a session by number, e.g. tmux at 0
  • attach to a session by name, e.g. tmux at -t somename
  • kill a session by name, e.g. tmux kill-session -t somename

There are three layers of organization in tmux:

  • sessions
  • windows (tabs)
  • panes (splits)

Session Interactions

  • :new new session
  • s list sessions
  • $ name session

Window Interactions

Keybindings:

  • c new window
  • , name window
  • f find window
  • & kill window

Tips

Mac OS X has some problems with copying and pasting. See Notes and workarounds for accessing the Mac OS X pasteboard in tmux sessions.

References

tmux cheatsheet

tmux man page

tmux Tutorial - Split Terminal Windows Easily