This document provides an overview of various IT environments and introduces PowerShell. It begins with the presenter's background in IT and computer science. It then discusses different roles in IT and industries where IT is used. Specific examples of IT environments at an educational institution, Internet service provider, and manufacturing company are explored. Finally, it provides an introduction to PowerShell, including what it is, who can benefit from it, examples of tasks it can automate, and resources for learning more.