Nue.js CLI tool supports commands like Help, Serve, Build, Create, and Init.The Help command in Nue.js CLI is implemented by printing help information through the printHelp() function.The printHelp() function imports getHelp() from cli-help.js to display help information.The getArgs() function in cli.js helps parse command-line arguments and options for various commands.The Init command in Nue.js CLI involves initializing a directory and potentially deploying it.The runCommand() function handles executing different commands in Nue.js CLI based on the provided arguments.createKit() function in nuekit.js file is used to create an instance for command execution in Nue.js CLI.The init() function within createKit involves initializing the Nue directory by calling initNueDir().Ramu Narasinga is the author who studies and creates content on open-source projects like Nue.js, exploring codebase architecture and best practices.Ramu Narasinga can be contacted via email at ramu.narasinga@gmail.com and has a presence on GitHub, YouTube, and various learning platforms.