Learn Linux for Free
what is Linux? Linux is open source Operating System. it was developed by the Linus.Any one around the world can access the source code and contribute to the Linux. these contribution all in submitted to the Linux management authority they are check the contributed code or a feature then they submitted to the ultimate controller Linus(founder of the Linux). he is the ultimate controller which features to be added to the kernel. Linux arrange developer conference (event) join to gather and share the knowledge each other. learn full details about the Linux (this below link was officially given by the Linux foundation ). https://learning.edx.org/course/course-v1:LinuxFoundationX+LFS101x+2T2021/home this above course(link) was originally given from Linux Foundation.