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After doing join-pane on 2 windows, you have 2 horizontal panes. How do I rearrange the panes to be vertical panes instead?

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up vote 117 down vote accepted

C-b space (bound to next-layout by default) cycles through available layouts, you can also use the select-layout command.

M-1 to M-5  Arrange panes in one of the five preset layouts: even-
            horizontal, even-vertical, main-horizontal, main-
            vertical, or tiled.

On OS X, M is Esc, i.e. Ctrl-b Esc-1.

See man tmux for more details.

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2  
Yup, that worked, C-b M-1 worked for me – krishonadish Oct 29 '12 at 17:47

You should be able to use:

ctrl-b meta-2

to do this, but I'm unable to test it since OS X doesn't like anything too "meta" (we have at least that in common).

Source: http://hyperpolyglot.org/multiplexers

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2  
You should be able to configure your terminal emulator with “option as meta“ (Terminal) or “option as +Esc“ (iTerm2), but you can always type C-b M-2 manually as C-b ESC 2. – Chris Johnsen Oct 26 '12 at 8:20

There are also an options for explicitly requiring the join/split to happen vertically/horizontally: -h and -v

(see man page and note that the -h/-v do not refer to the direction of the separator line).

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In Mac OS Yosemite, this works:

Prefix + Option-[1-5]

e.g: Ctrl-b Option-1

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