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Linux, openSUSE ready for Everyday Users
(news.opensuse.org)
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.
Community icon by Alpár-Etele Méder, licensed under CC BY 3.0
I approached this as they are more techie than a regular user, so they can learn Linux faster if they want. Otherwise, it's their job and they are not a regular user. It's the same for MS Office too. If it's related to someone else's job, it's most likely irreplaceable. However MS Office is not a must for people who just want to write or do some spreadsheet.
Basically I exclude jobs from "everyday users".
Well, it's true that Photoshop has no real competitor, at least in the FOSS world. Otherwise we wouldn't have this conversation. :)