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In Unix-based computer operating systems, init (short for initialization) is the first process started during booting of the operating system. Init is a daemon process that continues running until the system is shut down. It is the direct or indirect ancestor of all other processes and automatically adopts all orphaned processes.
OS family Oldest non-EOL version [Note 1] Forks; Linux: GPL version 2 only: Monolithic with modules C: 1:1 Unix-like: 4.4 elks: FreeBSD: BSD; GPL, LGPL software usually included Monolithic with modules C 1:1 BSD, Unix-like 11 DragonFly BSD OpenBSD: BSD Monolithic C 1:1 BSD, Unix-like 6.4 MirOS: NetBSD: BSD Monolithic with modules C 1:1 BSD ...
An operating system (OS) is system software that manages computer hardware, software resources, and provides common services for computer programs. Time-sharing operating systems schedule tasks for efficient use of the system and may also include accounting software for cost allocation of processor time, mass storage, printing, and other resources.
This is an accepted version of this page This is the latest accepted revision, reviewed on 3 December 2024. List of software distributions using the Linux kernel This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these messages) This article relies excessively on references to primary sources. Please improve this ...
The system startup stage on embedded Linux system starts by executing the firmware / program on the on-chip boot ROM, which then load bootloader / operating system from the storage device like eMMC, eUFS, NAND flash, etc. [5] The sequences of system startup are varies by processors [5] but all include hardware initialization and system hardware ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 11 December 2024. Family of Unix-like operating systems This article is about the family of operating systems. For the kernel, see Linux kernel. For other uses, see Linux (disambiguation). Operating system Linux Tux the penguin, the mascot of Linux Developer Community contributors, Linus Torvalds Written ...
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The process continued until all programs finished running. [3] The use of multiprogramming was enhanced by the arrival of virtual memory and virtual machine technology, which enabled individual programs to make use of memory and operating system resources as if other concurrently running programs were, for all practical purposes, nonexistent.