The English explanation of Linux is Linux is not Unix. Linux is a free-to-use and freely disseminated Unix-like operating system. It is a multi-user, multi-task, multi-thread and multi-CPU operating system based on POSIX and UNIX. It can run major UNIX software tools, applications and network protocols. "Linux Tutorial", we will introduce how to use Linux. Linux is actually very easy to learn, I believe you can learn it quickly.
Studying through "Linux Tutorial" will guide you how to configure and install the Linux operating system environment, and teach you how to use this operating system.