Data Science is Easy but you need to have proper knowledge and that’s amount is huge. So, Becoming a Data Scientist is NOT Actually Easier Than You Think.
Difference Between Data Science and Big Data is really complicated. Data Science is a field that comprises of everything that related to data cleaning, preparation, and analysis. Big Data refers to humongous volumes of data that cannot be processed effectively with the traditional applications that exist.
Is SHELL needed to be a Data Scientist? the answer is Yes, SHELL ( Shell is the sleeping beauty of Linux ) is Needed for Data Scientists to get the data and to work with that data. Everyone is busy to Learn R or Python for Data Science, learn Shell for Data Science.