This document provides an A-Z index of common Windows command line (CMD) commands, listing the name and brief description of each command. It includes both internal CMD commands, marked with a bullet, and external commands that can also be run directly or from other shells like PowerShell. The index contains over 100 different commands for performing tasks like copying files, changing directories, managing disks and partitions, viewing system information, scheduling tasks, and more. It also provides additional resources for command documentation and discussion.