The ASP.NET Command Line Interface (CLI) is part of the .NET SDK, which you need to install to use the CLI tools. The installation process varies slightly depending on your operating system. Below are detailed instructions for installing the ASP.NET CLI on Windows, macOS, and Linux.

1. Installing on Windows

To install the ASP.NET CLI on Windows, follow these steps:

  1. Visit the official .NET download page: .NET Download.
  2. Download the latest version of the .NET SDK installer for Windows.
  3. Run the installer and follow the prompts to complete the installation.
  4. After installation, open a command prompt and verify the installation by running: 
    dotnet --version
    This command should display the installed version of the .NET SDK.

2. Installing on macOS

To install the ASP.NET CLI on macOS, you can use the Homebrew package manager or download the installer directly:

Using Homebrew

  1. Open the Terminal application.
  2. If you don't have Homebrew installed, you can install it by running: 
    /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
  3. Once Homebrew is installed, run the following command to install the .NET SDK: 
    brew install --cask dotnet-sdk
  4. After installation, verify it by running: 
    dotnet --version

Using the Installer

  1. Visit the official .NET download page: .NET Download.
  2. Download the latest version of the .NET SDK installer for macOS.
  3. Open the downloaded file and follow the installation instructions.
  4. After installation, open a terminal and verify the installation by running: 
    dotnet --version

3. Installing on Linux

The installation process for the ASP.NET CLI on Linux varies depending on the distribution you are using. Below are instructions for Ubuntu and CentOS.

Installing on Ubuntu

  1. Open a terminal window.
  2. Run the following commands to install the required packages: 
    sudo apt-get update
    sudo apt-get install -y apt-transport-https
    sudo apt-get install -y dotnet-sdk-7.0
  3. After installation, verify it by running: 
    dotnet --version

Installing on CentOS

  1. Open a terminal window.
  2. Run the following commands to install the required packages: 
    sudo yum install -y dotnet-sdk-7.0
  3. After installation, verify it by running: 
    dotnet --version

Conclusion

Installing the ASP.NET CLI is a straightforward process that varies slightly depending on your operating system. By following the steps outlined above, you can quickly set up the ASP.NET CLI and start developing your applications. Once installed, you can use the dotnet command to create, build, run, and manage your ASP.NET projects.