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The init system is the first daemon to start (during booting) and the last daemon to terminate (during shutdown). Historically this was the "SysV init", which was just called "init". More recent Linux distributions are likely to use one of the more modern alternatives such as systemd. Below is a summary of the main init processes:
s6, a software suite that includes an init system. [18] [19] systemd, a software suite, full replacement for init in Linux that includes an init daemon, with concurrent starting of services, service manager, and other features. SystemStarter, a process spawner started by the BSD-style init in Mac OS X prior to Mac OS X v10.4
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.
In Linux systems, initrd (initial ramdisk) is a scheme for loading a temporary root file system into memory, to be used as part of the Linux startup process. initrd and initramfs (from INITial RAM File System) refer to two different methods of achieving this.
There are four principal events that cause a process to be created: System initialization. Execution of process creation system call by a running process. A user request to create a new process. Initiation of a batch job. When an operating system is booted, several essential processes are typically initiated to prepare the system for operation.
This is an accepted version of this page This is the accepted version, checked on 27 December 2024. There are template/file changes awaiting review. 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 ...
Das U-Boot (subtitled "the Universal Boot Loader" and often shortened to U-Boot; see History for more about the name) is an open-source boot loader used in embedded devices to perform various low-level hardware initialization tasks and boot the device's operating system kernel.
Environment Modules on Scientific Linux, CentOS, and RHEL distributions in the environment-modules package include modules.csh and modules.sh scripts for the /etc/profile.d directory that make modules initialization part of the default shell initialization. One of the advantages of Environment Modules is a single modulefile that supports bash ...