Linux ShortCourse now available

Our Linux ShortCourse has been made available to all site visitors free of charge.  The course introduces the Linux operating system to new programmers.  Detailed instructions for installing CentOS 7, a widely-used Linux distribution, on a VirtualBox are included in the course.  There is also a brief introduction to the Linux file system and to some basic commands used in the command terminal.  The information contained in the course is used as a gateway to our other services. I hope site visitors will find it useful.