Windows Subsystem for Linux
The second option for many to consider is for those users on Windows 10. It's the new Windows Subsystem for Linux version 2 (WSL2). Unlike an emulator, WSL2 is a full Linux kernel inside Windows, providing the ability to run any terminal commands as you would on a full Linux system. This means that an emulator is no longer required. WSL1 was released with Azure Sphere last year, but this is the first time a Linux kernel will ship with Windows, and WSL2 will take the Windows professional to the next step of true kernel-level performance and interaction.
Root, the super-user
Root is similar, but not equivalent to the Administrator on a Windows server. Root is referred to as the super-user and the owner of the top-level directory and the OS on a Linux server.
Figure 5.12: Example of files and directories in Linux
Root has power over everything inside the Linux OS. A DBA must remember this when granting root access to...