Windows PowerShell 5

• Windows PowerShell is a Windows command-line shell designed especially for system administrators.
• Windows PowerShell includes an interactive prompt and a scripting environment that can be used independently or in combination.
• Windows PowerShell is built on top of the .NET Framework common language runtime (CLR) and accepts and returns .NET Framework objects.
• Windows PowerShell introduces the concept of a cmdlet (pronounced "command-let"), a simple, single-function command-line tool built into the shell.
• t is a replacement for the venerable CMD (command) shell.

PowerShell

Starts a Windows PowerShell session. You can use PowerShell.exe to start a Windows PowerShell session from the command line of another tool, such as Cmd.exe, or use it at the Windows PowerShell command line to start a new session. Use the parameters to customize the session.

PowerShell ISE

You can use the Windows PowerShell® Integrated Scripting Environment (ISE) to create, run, and debug commands and scripts. The Windows PowerShell ISE consists of the menu bar, Windows PowerShell tabs, the toolbar, script tabs, a Script Pane, a Console Pane, a status bar, a text-size slider and context-sensitive Help.

Reference

• Documentation: https://docs.microsoft.com/en-us/powershell/