It is an operating system based on Linux kernel.
We will see each distribution in coming posts.
Distributions are normally segmented into packages. Each package contains a specific application or service. Examples of packages are a library for handling the PNG image format, a collection of fonts or a web browser.
The package is typically provided as compiled code, with installation and removal of packages handled by a package management system.
A package manager or package management system is a collection of software tools that automate the process of installing, upgrading, configuring, and removing computer programs for a computer’s operating system in a consistent manner.
RPM stands for Red Hat package manager. It is a default open source and most popular package management utility for Red Hat based systems like (RHEL, CentOS, and Fedora). The tool allows system administrators and users to install, update, uninstall, query, verify and manage system software packages in Unix/Linux operating systems.Zypper is a command line package manager which makes use of libzypp. Zypper provides functions like repository access, dependency solving, package installation, etc.