QGIS is a free and Open Source Geographic Information System. QGIS project provides the framework to create, edit, visualise, analyse and publish geospatial information for Windows, Mac, Linux, BSD and Android.
Generally you need to pick your source from an existing shapefile. If you have not done so it is considered "open source" This is a guess by the way.
OS is an open-source operating system
No, MySQL is an open-source database system
LINUX and Unix OS is open-source operating system.....! but Windows version OS is not the open-source operating system....!
Linux is the example of the latest open source operating system.
Is MacOS an open source system? No.
GIS is basically cartography on a computer (information system). So GIS is an application of cartography.
The latest open source operating system include the Kubuntu Linux and the Fedora Linux. The open source operating system refers to an OS that runs on a computer and is free for use and to be modified.
The letters GIS stand for Geographical Information System.
Geographic Information System (GIS), or geographical information system, is any system that captures, stores, analyzes, manages, and presents data that are linked to location. In the simplest terms, GIS is the merging of cartography and database technology.
A DBMS (Database Management System) is a software system that manages databases, storing, organizing, and retrieving data. GIS (Geographic Information System) is a specialized system for capturing, storing, analyzing, and visualizing spatial or geographic data. While both involve managing data, GIS focuses specifically on geographic information.
The most popular open-source (or mostly open-source) operating system for personal computers are the various flavors of Linux.