$ zsh --version
zsh 5.0.7

sudo apt-get update
sudo apt-get install zsh

$ brew update
$ brew install zsh

$ which zsh               #쉘의 위치를 확인한다.
/usr/bin/zsh
$ chsh -s /usr/bin/zsh    #기본 쉘을 변경한다.
$ chsh -s `which zsh`     #위 두 개의 명령을 하나로 줄일 수도 있다.

$ curl -L https://raw.github.com/robbyrussell/oh-my-zsh/master/tools/install.sh | sh

Meui-MacBook-Pro% curl -L https://raw.github.com/robbyrussell/oh-my-zsh/master/tools/install.sh | sh 
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:--  0:00:01 --:--:--     0
100  4025  100  4025    0     0   2178      0  0:00:01  0:00:01 --:--:--  6686
Cloning Oh My Zsh...
Cloning into '/Users/me/.oh-my-zsh'...
remote: Counting objects: 857, done.
remote: Compressing objects: 100% (720/720), done.
remote: Total 857 (delta 16), reused 775 (delta 10), pack-reused 0
Receiving objects: 100% (857/857), 572.22 KiB | 552.00 KiB/s, done.
Resolving deltas: 100% (16/16), done.
Looking for an existing zsh config...
Using the Oh My Zsh template file and adding it to ~/.zshrc
         __                                     __   
  ____  / /_     ____ ___  __  __   ____  _____/ /_  
 / __ \/ __ \   / __ `__ \/ / / /  /_  / / ___/ __ \ 
/ /_/ / / / /  / / / / / / /_/ /    / /_(__  ) / / / 
\____/_/ /_/  /_/ /_/ /_/\__, /    /___/____/_/ /_/  
                        /____/                       ....is now installed!


Please look over the ~/.zshrc file to select plugins, themes, and options.

p.s. Follow us at https://twitter.com/ohmyzsh.

p.p.s. Get stickers and t-shirts at https://shop.planetargon.com.

sh ~/.oh-my-zsh/tools/uninstall.sh