about linux code example

Example 1: what is linux

** From Wikipedia **
Initial release date: 17 September 1991
Linux is a family of open-source Unix-like operating systems based
on the Linux kernel, an operating system kernel first released on
September 17, 1991, by Linus Torvalds. Linux is typically packaged in
a Linux distribution.

Example 2: linux operating system

yum install wget