Domain Information Groper, commonly known as dig command is a DNS lookup utility that is popular on Linux. Dig tool is more flexible and better DNS tool than the Windows NSLookup tool.
Learn how to Use the ls -l command in combination with the grep command to list only directories.
Ubuntu on Windows is a Windows 10 app that runs on Windows Subsystem for Linux (WSL) which is an Application compatibility layer for running Linux operating systems natively on Microsoft Windows.
Windows 10 has a couple of mouse control options that allow you to adjust mouse sensitivity so that it will operate exactly the way you want.
Best Antivirus for Ubuntu Server/Desktop is ClamAV. It is a Free Open Source antivirus software solution that works pretty much the same as Windows Antivirus software.