This new app lets you root your Galaxy flagship without tripping Knox or unlocking the bootloader

Root My Galaxy is an open-source tool using the GhostLock Linux exploit for temporary root access on select Samsung Galaxy ...
PC Magazine

root server

One of several domain name system (DNS) servers on the Internet that contain the IP addresses of the top-level domain (TLD) registry organizations that maintain the global domains (.com, .net, .gov, ...
Android Authority

What is root - Gary explains

You may have heard of the term “rooting your phone” and you may have seen that some apps on the Google Play Store require “root” access to work. But what is root? What is “rooting” your phone and why ...