"posix" is a latest version of a operating system of "unix",published by ieee 1003.2 standard.
Specifically, it's an acronym for Portable Operating Systems Interface. When used, it should specify which version of the specification is being referenced. E.g. POSIX.1-2008 is the latest.
POSIX was designed as a standard to enhance portability. That is why it is portable if you use the POSIX standard.
POSIX stands for Portable Operating System Interface..
By default, Windows. With certain add-ons, however, Windows can be made POSIX-compliant.
POSIX, or Portable Operating System Interface, encompasses a set of standards aimed at maintaining compatibility between different operating systems. Key standards include POSIX.1, which defines system interfaces and shell utilities, POSIX.2, which specifies shell command language, and POSIX.1b, detailing real-time extensions. Additional standards address threads (POSIX.1c), networking, and security. Together, these standards facilitate software portability and interoperability across compliant systems.
POSIX stands for Portable Operating System Interface for UniX. It is an IEEE 1003.1 standard that defines the language interface between application programs and the Unix operating system. Adherence to the POSIX ensures compatibility when programs are moved/migrated from one unix computer to another.AnswerStrictly speaking, POSIX is an API specification, in conjunction with a specification of certain specific utility programs which must be present. While originally based on the UNIX Operating System, POSIX does not have to mean a UNIX system. For example, both certain versions of Windows NT and IBM's OS/360 have received POSIX certification as complying with the specification. As noted above, POSIX is about insuring compatibility of programs between systems, allowing a POSIX-compliant program to run on any POSIX-compliant Operating System.
o/s2,posix
Sorry that's a very broad question. Linux aims to be fully POSIX compatible, and so a Google search regarding POSIX system calls or a POSIX reference book should cover your question. Good Luck! =)
The goal of POSIX is to ease the task of cross-platform software development by establishing a set of guidelines for operating system vendors to follow. Ideally, a developer should have to write a program only once to run on all POSIX-compliant systems.
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