Does Apple modify the GNU and BSD tools that comes with macOS?












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macOS comes with bash (which is a GNU tool), macOS also comes with tools like ls and chmod (which are BSD tools, even though I don't know from which BSD flavor they come from).



Now does the GNU and BSD tools that comes with macOS gets modified by Apple (for example: does Apple remove some features from them or add some features to them), or does Apple leave them unmodified?










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    macOS comes with bash (which is a GNU tool), macOS also comes with tools like ls and chmod (which are BSD tools, even though I don't know from which BSD flavor they come from).



    Now does the GNU and BSD tools that comes with macOS gets modified by Apple (for example: does Apple remove some features from them or add some features to them), or does Apple leave them unmodified?










    share|improve this question







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    user342273 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      macOS comes with bash (which is a GNU tool), macOS also comes with tools like ls and chmod (which are BSD tools, even though I don't know from which BSD flavor they come from).



      Now does the GNU and BSD tools that comes with macOS gets modified by Apple (for example: does Apple remove some features from them or add some features to them), or does Apple leave them unmodified?










      share|improve this question







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      user342273 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      macOS comes with bash (which is a GNU tool), macOS also comes with tools like ls and chmod (which are BSD tools, even though I don't know from which BSD flavor they come from).



      Now does the GNU and BSD tools that comes with macOS gets modified by Apple (for example: does Apple remove some features from them or add some features to them), or does Apple leave them unmodified?







      osx gnu bsd






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      asked 2 hours ago









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