#!/usr/bin/env bash

# klevstul :: 25.07

this_file_name=`basename "$0"`
echo "<< ${this_file_name} >>"

if [ "$EUID" -ne 0 ]
  then echo "error: run as 'root'"
  exit
fi

# 1. Set the file to write to
file="/etc/os-release"

# 2. Append text with '>>'
echo "VERSION=\"0\"" >> ${file}

tail ${file}