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Google is preparing to let you run Linux apps on Android, just like Chrome OS
(www.androidauthority.com)
From Wikipedia, the free encyclopedia
Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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android just uses the kernel
Yes and the kernel's name is "Linux". No other software is named "Linux". Ask Linus Torvalds if you don't believe me.
there's more to an operating system that a program needs other than the kernel(?)
Yes, and the other parts have other names, like the toolkit GTK or the C standard library glibc and all those things make up a Linux distribution, like Fedora.