Make sure you have GIT installed:
For redhat/centos
yum install -y git
For Debian/ubuntu
apt-get install -y git
For MAC OS X:
brew install git
NOTE: Make sure you have 'brew' installed, guide on BREW: https://brew.sh/
mkdir test
cd test/
git clone git@github.com:bflance/random_numbers_generator.git
cd random_numbers_generator/
bash random_numbers.sh
prining number: 3
prining number: 9
prining number: 1
prining number: 8
...