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By default, OpenRC uses a modified version of start-stop-daemon for daemon management. [10] Init scripts share similarities with scripts used in sysvinit, but offer several features to simplify their creation. Scripts are assumed to have start(), stop() and status(); and the system uses variables already declared to create the default functions ...
opcontrol is used to start and stop the daemon, which collects profiling data. This data is periodically saved to the /var/lib/oprofile/samples directory. opreport shows basic profiling data. opannotate can produce annotated sources or assembly. opgprof converts from oprofile data into gprof-compatible format. [4] Example:
It also includes the programs such as update-alternatives and start-stop-daemon. The install-info program used to be included as well, but was later removed [7] as it is now developed and distributed separately. [8] The Debian package "dpkg-dev" includes the numerous build tools described below.
A daemon is a type of background process designed to run continually in the background, waiting for event(s) to occur or condition(s) to be met. [9] When launched with the daemon function, daemons are disassociated from their parent terminal.
The term was coined by the programmers at MIT's Project MAC.According to Fernando J. Corbató, who worked on Project MAC around 1963, his team was the first to use the term daemon, inspired by Maxwell's demon, an imaginary agent in physics and thermodynamics that helped to sort molecules, stating, "We fancifully began to use the word daemon to describe background processes that worked ...
UnrealIRCd is an open-source IRC daemon, originally based on DreamForge, and is available for Unix-like operating systems and Windows.Since the beginning of development on UnrealIRCd c. May 1999, many new features have been added and modified, including advanced security features and bug fixes, and it has become a popular server.
Web server daemon. inetd [4] Listens for network connection requests. If a request is accepted, it can launch a background daemon to handle the request, was known as the super server for this reason. Some systems use the replacement command xinetd. lpd: The line printer daemon that manages printer spooling. nfsd [3]
Once the kernel has started, it starts the init process, [20] a daemon which then bootstraps the user space, for example by checking and mounting file systems, and starting up other processes. The init system is the first daemon to start (during booting) and the last daemon to terminate (during shutdown).