Ubuntu 18.04 on Windows allows one to use Ubuntu Terminal and run Ubuntu command line utilities including bash, ssh, git, apt and many more. Ubuntu 18.04 WSL is published by Canonical.
Please note that Windows 10 S does not support running this app. Windows 10 in S Mode can’t use command-line shells like PowerShell, Command Prompt, or Bash which are commonly used in WSL. Various other developer tools are also off limits.*
Install the Windows Subsystem for Linux
To use this feature, one first needs to use Turn Windows features on or off and select Windows Subsystem for Linux, click OK, reboot, and use this app. This step can also be performed using Administrator PowerShell prompt:
Enable-WindowsOptionalFeature -Online -FeatureName "Microsoft-Windows-Subsystem-Linux"
Restart your computer when prompted.
Install Ubuntu 18.04
Check that Windows 10 build 16215 or later is installed.
Open the Microsoft Store and choose Ubuntu.
From the Ubuntu page, click the blue Get button.
To launch Ubuntu, type
ubuntu1804 on the command-line prompt (cmd.exe), or click on the Ubuntu tile in the Start Menu.