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The anti-minimalist backlash is the bigger story behind Oxygen’s revival
(filipfila.wordpress.com)
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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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I was trying to make the point that the way a control looks gives you some information on how it will behave, because software has generally been consistent with associating those looks with those behaviours.
So if you see multiple options with a circle in front of them, selecting one, then selecting another will usually deselect the first one.
On the other hand, if those options have squares in front of them, selecting one, then selecting another will usually result in both of them being selected.
And in both cases, usually they will be part of a form and will only take effect when you submit that form using a button.
On the other hand, something that looks like a toggle usually takes effect immediately on toggling.
Of course it is technically always possible to have each of those behave like any of the others, but you will be breaking conventions if you do so. Styling is an affordance to inform the user about the behaviour.
Taking effect instantly is not really indicated by the control shape; it's indicated by whether or not the form has a button equivalent to "apply". Settings pages with checkboxes that applied immediately have been common for years; this distinction is not nearly as clear cut as you make out. I suspect what is going on is that both toggle switches and the removal of a separate apply step has gone on gradually at the same time.
But a good thing to think about is all the other controls: drop downs, text entry boxes, date pickers - these have no second version which might apply instantly or not! So it's a mistake to think that information is conveyed by the look of the control.