tmuxをインストール MacPorts

$  sudo port install tmux

Password:
--->  Computing dependencies for tmux
--->  Dependencies to be installed: libevent
--->  Fetching archive for libevent
--->  Attempting to fetch libevent-2.0.21_0.darwin_10.x86_64.tbz2 from http://jog.id.packages.macports.org/macports/packages/libevent
--->  Attempting to fetch libevent-2.0.21_0.darwin_10.x86_64.tbz2.rmd160 from http://jog.id.packages.macports.org/macports/packages/libevent
--->  Installing libevent @2.0.21_0
--->  Activating libevent @2.0.21_0
--->  Cleaning libevent
--->  Fetching archive for tmux
--->  Attempting to fetch tmux-1.8_1.darwin_10.x86_64.tbz2 from http://jog.id.packages.macports.org/macports/packages/tmux
--->  Attempting to fetch tmux-1.8_1.darwin_10.x86_64.tbz2.rmd160 from http://jog.id.packages.macports.org/macports/packages/tmux
--->  Installing tmux @1.8_1
--->  Activating tmux @1.8_1

If you want integration with system pasteboard consider installing port
tmux-pasteboard as well

--->  Cleaning tmux
--->  Updating database of binaries: 100.0%
--->  Scanning binaries for linking errors: 100.0%
--->  No broken files found.