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Linux API vs. POSIX API. The Linux API includes the kernel–user space API, which allows code in user space to access system resources and services of the Linux kernel. [3] It is composed of the system call interface of the Linux kernel and the subroutines in the C standard library.
The set of the Linux kernel API that regards the interfaces exposed to user applications is fundamentally composed of UNIX and Linux-specific system calls. [197] A system call is an entry point into the Linux kernel. [198] For example, among the Linux-specific ones there is the family of the clone(2) system calls. [199]
posix.opengroup.org. The Portable Operating System Interface (POSIX; IPA: / ˈpɒz.ɪks / [1]) is a family of standards specified by the IEEE Computer Society for maintaining compatibility between operating systems. [1] POSIX defines system and user-level application programming interfaces (APIs), along with command line shells and utility ...
978-1-59327-220-3. The Linux Programming Interface: A Linux and UNIX System Programming Handbook is a book written by Michael Kerrisk, which documents the APIs of the Linux kernel and the GNU C Library (glibc).
System call. A high-level overview of the Linux kernel's system call interface, which handles communication between its various components and the userspace. In computing, a system call (commonly abbreviated to syscall) is the programmatic way in which a computer program requests a service from the operating system [a] on which it is executed.
systemd. systemd is a software suite that provides an array of system components for Linux [7] operating systems. The main aim is to unify service configuration and behavior across Linux distributions. [8] Its primary component is a "system and service manager" — an init system used to bootstrap user space and manage user processes.
www.gnu.org /software /libc /. The GNU C Library, commonly known as glibc, is the GNU Project implementation of the C standard library. It provides a wrapper around the system calls of the Linux kernel and other kernels for application use. Despite its name, it now also directly supports C++ (and, indirectly, other programming languages).
A high-level comparison of in-kernel and kernel-to-userspace APIs and ABIs The Linux kernel and GNU C Library define the Linux API. After compilation, the binaries offer an ABI. Keeping this ABI stable over a long time is important for ISVs. In computer software, an application binary interface (ABI) is an interface between two binary program ...