Control Access and Scope of Variables and Other Items
1. Problem
You want to control how you define (or interact with) the visibility of variables, aliases, functions, and drives.
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Access Environment Variables
1. Problem
You want to use an environment variable (such as the system path, or current user’s name) in your script or interactive read more
Configure Debug, Verbose, and Progress Output
1. Problem
You want to manage the detailed debug, verbose, and progress output generated by cmdlets and scripts.read more
Access and Manage Your Console History
1. Problem
After working in the shell for a while, you want to invoke commands from your history, view your command history, and save your command history.

