sudo apt-add-repository ppa:fish-shell/release-2

sudo apt-get update

sudo apt-get install fish

chsh -s /usr/bin/fish

curl -Lo ~/.config/fish/functions/fisher.fish --create-dirs git.io/fisherman

curl -L https://github.com/oh-my-fish/oh-my-fish/raw/master/bin/install | fish

brew install fish

wget http://download.opensuse.org/repositories/shells:fish:release:2/Debian_8.0/Release.key
apt-key add - < Release.key
echo 'deb http://download.opensuse.org/repositories/shells:/fish:/release:/2/Debian_8.0/ /' >> /etc/apt/sources.list.d/fish.list
apt-get update
apt-get install fish

sudo apt-add-repository ppa:fish-shell/release-2
sudo apt-get update
sudo apt-get install fish

cd /etc/yum.repos.d/
wget http://download.opensuse.org/repositories/shells:fish:release:2/CentOS_7/shells:fish:release:2.repo
yum install fish

cd /etc/yum.repos.d/
wget http://download.opensuse.org/repositories/shells:fish:release:2/Fedora_23/shells:fish:release:2.repo
yum install fish

pacman -S fish

emerge fish

sudo apt-get -y install git gettext automake autoconf
    ncurses-dev build-essential libncurses5-dev

git clone -q --depth 1 https://github.com/fish-shell/fish-shell
cd fish-shell
autoreconf && ./configure
make && sudo make install

echo "/usr/local/bin/fish" | sudo tee -a /etc/shells
chsh -s /usr/local/bin/fish

curl -Lo ~/.config/fish/functions/fisher.fish --create-dirs git.io/fisherman