This tenet may not mean exactly what you think it does. Most times we think of open source software as something like the Linux kernel, LibreOffice, or any of the thousands of open source software packages that make up our favorite distribution. In the context of system administration, open source means the scripts that we write to automate our work.
Open source software is software with source code that anyone can inspect, modify, and enhance. 1
— Opensource.com
The web page from which the quote above was taken contains a well-written discussion of open source software, ...
