Linux is open source and is developed by Linux community of developers and it is Free to use , e.g: Ubuntu, Debian GNU, Arch Linux, etc.
Unix was developed by AT&T Bell labs and is not open source and it is licensed OS, e.g: SunOS, Solaris, SCO UNIX, AIX, HP/UX, ULTRIX etc.
In This Course you will Learn:
What is Unix Vs Linux ?
Linux Essential Commands
Pipes Filters and Redirections
Vi / Vim Editor
Linux/Unix File System
Linux/Unix User Administration + Sudo