DexTutor

The channel contains videos related to Operating System Lab, Operating System Theory, Linux and RHCSA exam. The videos contain animations to explain the concept with visualization. Also, there are videos on the practical/lab aspect which is normally not covered in curriculum. The RHCSA playlist has videos covering questions related to RHCSA exam. You can go through the reading material and download the PPT for your reference via visiting https://dextutor.com