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  • unix - What is the meaning of POSIX? - Stack Overflow
    POSIX is similar to the UNIX standard, and it is intended to ensure that software written for one POSIX-compliant operating system can run on other POSIX-compliant operating systems without modification The POSIX standard defines a set of system calls, libraries, and utilities that are commonly found in UNIX-based operating systems
  • What exactly is POSIX? - Unix Linux Stack Exchange
    POSIX first was a standard in 1988 long before the Single UNIX Specification It was one of the attempts at unifying all the various UNIX forks and UNIX-like systems POSIX is an IEEE Standard, but as the IEEE does not own the UNIX® trademark, the standard is not UNIX® though it is based on the existing UNIX API at that time
  • Where can I find official POSIX and UNIX documentation?
    In addition to the web links, you can also install the POSIX man pages, e g on a Debian-like system they are available as manpages-posix-dev package Then you can lookup the POSIX version of say - the read system call - via: $ man 3p read Or the mv command $ man 1p mv Just add a p to the usual man page section number
  • Difference between POSIX, Single UNIX Specification, and Open Group . . .
    Today, POSIX and SUS are basically the same thing; SUS encompasses a little more Quoting here: Beginning in 1998, a joint working group known as the Austin Group began to develop the combined standard that would be known as the Single UNIX Specification Version 3 and as POSIX:2001 (formally: IEEE Std 1003 1-2001) It was released on January 30
  • What is POSIX, any other interface standards which can replace it?
    POSIX POSIX is a much larger and more comprehensive standard which includes standard C as a part of it POSIX also specifies parts of the operating system Because POSIX is standardized, there are many implementations On a POSIX system, there are some restrictions on the C implementation For example, on POSIX: A byte is always 8 bits
  • python - Convert WindowsPath to PosixPath - Stack Overflow
    pathlib has an as_posix method to convert from Windows to POSIX paths: pathlib path(r'foo\bar') as_posix() Apart from this, you can generally construct system-specific paths by calling the appropriate constructor The documentation states that You cannot instantiate a WindowsPath when running on Unix, but you can instantiate PureWindowsPath
  • Difference between C standard library and C POSIX library
    POSIX is a superset of the standard C library, and it's important to note that it defers to it If C and POSIX is ever in conflict, C wins Sockets, file descriptors, shared memory etc are all part of POSIX, but do not exist in the C library pthread h is used for POSIX threads and threads h is a new header for C11 and is part of the C library
  • linux - Is Mac OS X a POSIX OS? - Stack Overflow
    POSIX is a group of standards that determine a portable API for Unix-like operating systems Mac OS X is Unix-based (and has been certified as such), and in accordance with this is POSIX compliant POSIX guarantees that certain system calls will be available Essentially, Mac satisfies the API required to be POSIX compliant, which makes it a
  • POSIX, Unix, Linux and Minix: What is what? [closed]
    Later, Unix inspired POSIX Read the history of Unix Linux is a free software kernel under GPLv2 license started by Linus Torvarlds (mixed with GNU applications, hence called GNU Linux; Linus originally used Minix , a Unix-like system by Tanenbaum et al, but was unhappy and coded the first Linux kernel )





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