Let's start by creating a script using improved version of vi (called vim). If Vim (VI-enhanced) is not installed, it can be installed with sudo or root using the following command (-y is short for yes):
For Ubuntu or Debian based distributions$ sudo apt-get -y install vimFor CentOS or RHEL$ sudo yum install -y vimFor Fedora$ sudo dnf install -y vim
Open a terminal and enter the following commands to first see where your terminal is currently navigated to, and to create the script using vim:
$ pwd/home/yourUserName$ vim my_first_script.sh
The terminal window will transform into the Vim application (similar to the following screenshot) and you will be just about ready to program your first script. Simultaneously ...
