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  2. Open-source software - Wikipedia

    en.wikipedia.org/wiki/Open-source_software

    Open-source software ( OSS) is computer software that is released under a license in which the copyright holder grants users the rights to use, study, change, and distribute the software and its source code to anyone and for any purpose. [1] [2] Open-source software may be developed in a collaborative, public manner.

  3. Comparison of open-source and closed-source software

    en.wikipedia.org/wiki/Comparison_of_open-source...

    A license, whether providing open-source code or not, that does not stipulate the "four software freedoms", [3] are not considered "free" by the free software movement. A closed source license is one that limits only the availability of the source code. By contrast a copyleft license claims to protect the "four software freedoms" by explicitly ...

  4. Free and open-source software - Wikipedia

    en.wikipedia.org/wiki/Free_and_open-source_software

    "Free and open-source software" (FOSS) is an umbrella term for software that is simultaneously considered both free software and open-source software. The precise definition of the terms "free software" and "open-source software" applies them to any software distributed under terms that allow users to use, modify, and redistribute said software in any manner they see fit, without requiring ...

  5. Samizdat: And Other Issues Regarding the 'Source' of Open ...

    en.wikipedia.org/wiki/Samizdat:_And_Other_Issues...

    Subject. Linux kernel. Samizdat: And Other Issues Regarding the 'Source' of Open Source Code is a 2004 report by Kenneth Brown. [1] The report suggests that the Linux kernel may have been created or distributed illegally and that open-source software may be generally subject to such abuses. The report states that the Linux kernel was written ...

  6. Error correction code - Wikipedia

    en.wikipedia.org/wiki/Error_correction_code

    Classical (algebraic) block codes and convolutional codes are frequently combined in concatenated coding schemes in which a short constraint-length Viterbi-decoded convolutional code does most of the work and a block code (usually Reed–Solomon) with larger symbol size and block length "mops up" any errors made by the convolutional decoder ...

  7. C dynamic memory allocation - Wikipedia

    en.wikipedia.org/wiki/C_dynamic_memory_allocation

    The C programming language manages memory statically, automatically, or dynamically. Static-duration variables are allocated in main memory, usually along with the executable code of the program, and persist for the lifetime of the program; automatic-duration variables are allocated on the stack and come and go as functions are called and return.

  8. Open source - Wikipedia

    en.wikipedia.org/wiki/Open_source

    Open Source Initiative logo. Open source is source code that is made freely available for possible modification and redistribution. Products include permission to use the source code, [1] design documents, [2] or content of the product. The open source model is a decentralized software development model that encourages open collaboration.

  9. History of free and open-source software - Wikipedia

    en.wikipedia.org/wiki/History_of_free_and_open...

    In the 1950s and 1960s, computer operating software and compilers were delivered as a part of hardware purchases without separate fees. At the time, source code, the human-readable form of software, was generally distributed with the software providing the ability to fix bugs or add new functions. [1] Universities were early adopters of ...