Linux and Ubuntu eBooks Collection191 PDF Books | 1.93 GBLinux is a Unix-like computer operating system assembled under the model of free and open source software development and distribution. The defining component of Linux is the Linux kernel, an operating system kernel first released October 5, 1991 by Linus Torvalds.Ubuntu is a computer operating system based on the Debian Linux distribution and distributed as free and open source software, using...