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Create your own custom Environmental Variables that you can call from a batch or command file.

A list of every Environmental Variable that existing within Windows.

A list of every available command that you can call via the Run prompt or use in a batch or command file.

The Windows Context Menu appears when you Right-Click an object, whether it’s the Desktop or a file. I’m sure you’ve used it. The problem is, it’s missing some very basic options! We’re going to change all of that: This Registry Hack is part of a series on hacking the Windows Context Menu.
Open The Command Prompt [...]

A description of a few of Windows XP’s hidden programs that can help you customize and troubleshoot your computer.