Well known examples of proprietary software include Microsoft Windows, Adobe Flash Player, PS3 OS, iTunes, Adobe Photoshop, Google Earth, Mac OS X, Skype, WinRAR, and some versions of Unix.
Software distributions considered as proprietary may in fact incorporate a "mixed source" model including both free and non-free software in the same distribution. Most if not all so-called proprietary UNIX distributions are mixed source software, bundling open source components like BIND, Sendmail, X Window System, DHCP, and others along with a purely proprietary kernel and system utilities.
Some free software packages are also simultaneously available under proprietary terms. Examples include MySQL, Sendmail and ssh. Some trial version can be also described like this (for instance, Handy Backup - a tool for MySQL and Microsoft Exchange backup with 30-days trial)The original copyright holders for a work of free software, even copyleft free software, can use dual-licensing to allow themselves or others to redistribute proprietary versions. Non-copyleft free software (i.e. software distributed under a permissive free software license or released to the public domain) allows anyone to make proprietary redistributions. Free software that depends on proprietary software is considered "trapped" by the Free Software Foundation. This includes software written only for Microsoft Windows, or software that could only run on Java, before it became free software.
Read more about this topic: Proprietary Software
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... Examples include the British Daring class, US Forrest Sherman-class, and the Soviet Kotlin-class destroyers ... Examples include the US FRAM I programme and the British Type 15 frigates converted from fleet destroyers ... Examples include the Soviet Kashin-class, the British County class, and the American Charles F ...
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Famous quotes containing the word examples:
“No rules exist, and examples are simply life-savers answering the appeals of rules making vain attempts to exist.”
—André Breton (18961966)
“It is hardly to be believed how spiritual reflections when mixed with a little physics can hold peoples attention and give them a livelier idea of God than do the often ill-applied examples of his wrath.”
—G.C. (Georg Christoph)
“There are many examples of women that have excelled in learning, and even in war, but this is no reason we should bring em all up to Latin and Greek or else military discipline, instead of needle-work and housewifry.”
—Bernard Mandeville (16701733)