The Microsoft Windows operating system is developed and released
by a single company. It comes with a minimal set of applications (a
calculator, a few games, some networking tools, an Internet
browser... etc). Other software can be obtained by users from
various sources and installed on the operating system.
"GNU/Linux is different. A GNU/Linux operating system is made of
a Linux kernel, a set of GNU tools, an installation program, a
package management system and a lot of other software
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