install_oh-my-zsh

cd into Home directory

~ ❯ cd ~

create a new file called as install_oh-my-zsh_ubuntu.sh

~ ❯ touch install_oh-my-zsh_ubuntu.sh

give permissions to the file

~ ❯ chmod 777 install_oh-my-zsh_ubuntu.sh

copy contents from ubuntu/install_oh-my-zsh_ubuntu.sh

~ ❯ vim install_oh-my-zsh_ubuntu.sh

run the script

~ ❯ ./install_oh-my-zsh_ubuntu.sh