インストール

$ curl -O http://www.zsh.org/pub/zsh-4.3.4.tar.gz
$ tar xzvf zsh-4.3.4.tar.gz
$ ./configure --enable-multibyte --enable-locale
$ make
$ sudo make install

$ vi /etc/shells
$ cat /etc/shells
# List of acceptable shells for chpass(1).
# Ftpd will not allow users to connect who are not using
# one of these shells.

/bin/bash
/bin/csh
/bin/ksh
/bin/sh
/bin/tcsh
/bin/zsh
/usr/local/bin/zsh

$ chsh -s /usr/local/bin/zsh oppara

~/.inputrc

set meta-flag on
set input-meta on
set convert-meta off
set output-meta on
# 追記
set kanji-code utf-8
set enable-keypad on