It comes inbuilt and can be configured during the installation process itself. There is no need to write it in the command, it can be done using the GUI. It is very much helpful in combing large disk spaces.

I found it easier to install RHEL when compared to other Linux flavors. Also the GUI interface enables my team to work on the given tasks with less efforts and minimum training

Expanding filesystem as and when required to meet the growing workload demand is easy.