You may think you're new to Linux, but you're really not. There are 3.74 billion global internet users, and all of them use Linux in some way since Linux servers power 90% of the internet. Most modern routers run Linux or Unix, and the TOP500 supercomputers also rely on Linux. If you own an Android smartphone, your operating system is constructed from the Linux kernel.
In other words, Linux is everywhere. But there's a difference between using Linux-based technologies and using Linux itself. If you're interested in Linux, but have been using a PC or Mac desktop, you may be wondering what you need to know to use the Linux command line interface (CLI). You've come to the right place.
The following are the fundamental Linux commands you need to know. Each is simple and easy to commit to memory. In other words, you don't have to be Bill Gates to understand them.