The Portable Operating System Interface (POSIX; IPA: /ˈpɒz.ɪks/) is a family of standards specified by the IEEE Computer Society for maintaining compatibility...

writing regular expressions have existed since the 1980s, one being the POSIX standard and another, widely used, being the Perl syntax. Regular expressions...

the next day). For example, this is what happened on strictly conforming POSIX.1 systems at the end of 1998: Unix time numbers are repeated in the second...

In computing, POSIX Threads, commonly known as pthreads, is an execution model that exists independently from a programming language, as well as a parallel...

The C POSIX library is a specification of a C standard library for POSIX systems. It was developed at the same time as the ANSI C standard. Some effort...

since bash 4.2, also if invoked explicitly in POSIX compatibility mode (with options --posix or -o posix). Only in sh/ksh compatibility mode (when invoked...

in POSIX.1-1988 and later POSIX.1-2001, and became a format supported by most modern file archiving systems. The tar command was abandoned in POSIX.1-2001...

inter-process communication (IPC), typically used in Unix, Unix-like, and other POSIX-compliant operating systems. A signal is an asynchronous notification sent...

Microsoft POSIX subsystem is one of four subsystems shipped with the first versions of Windows NT, the other three being the Win32 subsystem which provided...

from the POSIX chair Andrew Josey for the symbolic price of one dollar.[citation needed] There have been some activities to make Linux POSIX-compliant...

permissions. POSIX 1003.1e/1003.2c working group made an effort to standardize ACLs, resulting in what is now known as "POSIX.1e ACL" or simply "POSIX ACL"....

modification from a de facto standard into a component of the POSIX specification. The term POSIX sockets is essentially synonymous with Berkeley sockets,...

The Native POSIX Thread Library (NPTL) is an implementation of the POSIX Threads specification for the Linux operating system. Before the 2.6 version...

"target") by specifying a path thereto. Symbolic links are supported by POSIX and by most Unix-like operating systems, such as FreeBSD, Linux, and macOS...

Invoking Bash with the --posix option or stating set -o posix in a script causes Bash to conform very closely with the POSIX 1003.2 standard. Bash shell...

cultural elements) is an ISO/IEC standard for the registration of new POSIX locales and POSIX charmaps. This standard is the result of a "fast-track" adoption...

In modern POSIX compliant operating systems, a program that needs to access data from a file stored in a file system uses the read system call. The file...

to as permission-driven. Two types of permissions are widely available: POSIX file system permissions and access-control lists (ACLs) which are capable...

||= << >> <<= >>= ?: are not available in POSIX bc. The sqrt() function for calculating square roots is POSIX bc's only built-in mathematical function...

original ANSI C standard, it was developed at the same time as the C library POSIX specification, which is a superset of it. Since ANSI C was adopted by the...

besides a "minimal locale" name "C", although the POSIX format is a commonly-used baseline. On POSIX platforms such as Unix, Linux and others, locale identifiers...

On POSIX-compliant platforms, SIGHUP ("signal hang up") is a signal sent to a process when its controlling terminal is closed. It was originally designed...

addressing EROS: a fast capability system POSIX "capabilities" in Linux: POSIX Capabilities & Files POSIX file capabilities: Parceling the power of root...

This is a list of POSIX (Portable Operating System Interface) commands as specified by IEEE Std 1003.1-2024, which is part of the Single UNIX Specification...

rewrite the tools to use the Win32 runtime environment, Cygwin implemented a POSIX-compatible environment in the form of a DLL. The brand motto is "Get that...

defined in POSIX in a way which is reasonably compatible, robust and performant, and to provide additional useful features not defined in POSIX, just as...

definitions from POSIX and GNU makes it even less portable than the sys_errlist table. The GNU C library (GLIBC) provides the additional POSIX error values...

first appeared in Berkeley Software Distribution 4.2 (1983). It became a POSIX standard in 2000. The application programming interface has been ported...

a digital copy of the POSIX standards documentation with a request to the comp.os.minix newsgroup. After not finding the POSIX documentation, Torvalds...

build the final program from them, one could instead create a script for POSIX-compliant shells, here named build and kept in the directory with them,...