===== Portable Operating System Interface (POSIX) =====
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**Portable Operating System Interface (POSIX)** is defined by [[dido:public:ra:xapend:xapend.b_stds:tech:ieee:1003.1| POSIX.1-2017]] as a standard [[dido:public:ra:xapend:xapend.a_glossary:o:os|operating system]] [[dido:public:ra:xapend:xapend.a_glossary:i:interface|interface]] and environment, including a command interpreter (or “shell”), and common utility programs to support [[dido:public:ra:xapend:xapend.a_glossary:a:application|applications]] [[dido:public:ra:xapend:xapend.a_glossary:p:portability|portability]] at the [[dido:public:ra:xapend:xapend.a_glossary:s:sourcecode|source code]] level. It is intended to be used by both application developers and system implementors.

Source: [[dido:public:ra:xapend:xapend.b_stds:tech:ieee:1003.1]]


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