Remove multiple predefined lines in text file with powershell

When you need to remove multiple lines from a text file without a time consuming process. Powershell on Windows allows you to do this in a single command.
articles on windows operating system support and softwares
Windows 8 team have just released a Windows 8 Consumer Preview download for users to test out Windows 8. Windows 8 brings you a whole new windows experience with Windows Metro Interface which will run on touch powered tablets to…