Improve your terminal with suggestions from your history with zsh

If you want enable command prediction on your terminal, a good option is to install zsh.

sudo apt-get install zsh 

Now, replace bash by zsh with the following instruction:

USER=`whoami`

chsh -s /bin/zsh $USER

Now, install Oh My Zsh:

sh -c "$(curl -fsSL https://raw.github.com/robbyrussell/oh-my-zsh/master/tools/install.sh)"

And finally install Fish-like autosuggestions for zsh:

git clone http://github.com/zsh-users/zsh-autosuggestions $ZSH_CUSTOM/plugins/zsh-autosuggestions

Edit your ~/.zshrc file and add zsh-autosuggestions as a plugin:

plugins=(git zsh-autosuggestions)

If you like, you can change your terminal theme. I like cobalt2:

git clone https://github.com/powerline/fonts.git

cd fonts

./install.sh

cd ..

git clone https://github.com/wesbos/Cobalt2-iterm.git

cd Cobalt2-iterm 

mv cobalt2.zsh-theme ~/.oh-my-zsh/themes 

vim ~/.zshrc 

ZSH_THEME="cobalt2"

Now, we can restart zshell with the following command:

zsh --

If you want compatibility with your root user, you must do the following steps:

sudo su

sh -c "$(wget https://raw.github.com/robbyrussell/oh-my-zsh/master/tools/install.sh -O -)"

ln -s /home/$USER/.oh-my-zsh /root/.oh-my-zsh 

cd /root/.oh-my-zsh

cp  /home/$USER/.oh-my-zsh/themes/cobalt2.zsh-theme .

mv /root/.zshrc /root/.zshrc.bak

ln -s /home/$USER/.zshrc /root/.zshrc

zsh --

Now re-login your session

HINT: Probably, when you try to autocomplete in your terminal you would see the following error:

_store_cache:46: permission denied: .oh-my-zsh/cache/DEBS_avail

To solve it just execute this command:

 sudo chown $USER:$USER /home/$USER/.oh-my-zsh/cache/DEBS_avail

Enjoy it!