It’s simple: you need to learn Linux. … You could even be a developer who knows “open source” but has never used Linux as a server operating system or desktop operating system.
Is it useful to know Linux?
Linux is the most widely used OS for servers. Almost all of the websites you visit each day are running Linux, as are the servers that sit behind them for running “back-end” applications like databases. For example, banks make heavy use of Linux for managing financial transactions. Most database servers run Linux, too.
Is it worth learning Linux in 2020?
While Windows remains the most popular form of many business IT environments, Linux provides the function. Certified Linux+ professionals are now in demand, making this designation well worth the time and effort in 2020.