launchd
E246561
launchd is the unified service management and initialization system used in macOS and other Darwin-based operating systems to start, stop, and manage daemons, services, and processes.
All labels observed (1)
| Label | Occurrences |
|---|---|
| launchd canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2257097 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: launchd Context triple: [Darwin, includesComponent, launchd]
-
A.
daemontools
daemontools is a collection of Unix tools designed by Daniel J. Bernstein for reliable service supervision and process management.
-
B.
Darwin operating system
Darwin is an open-source, Unix-like operating system developed by Apple that forms the core foundation of macOS, iOS, and other Apple platforms.
-
C.
systemd
systemd is a modern init system and service manager for Linux that handles system startup, process supervision, logging, and various core system functions.
-
D.
Upstart
Upstart is an event-based init daemon developed for Linux systems to manage services and system startup and shutdown.
-
E.
OpenRC
OpenRC is a dependency-based init system and service manager for Unix-like operating systems, designed as a lightweight and flexible alternative to systems like systemd.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: launchd Target entity description: launchd is the unified service management and initialization system used in macOS and other Darwin-based operating systems to start, stop, and manage daemons, services, and processes.
-
A.
daemontools
daemontools is a collection of Unix tools designed by Daniel J. Bernstein for reliable service supervision and process management.
-
B.
Darwin operating system
Darwin is an open-source, Unix-like operating system developed by Apple that forms the core foundation of macOS, iOS, and other Apple platforms.
-
C.
systemd
systemd is a modern init system and service manager for Linux that handles system startup, process supervision, logging, and various core system functions.
-
D.
Upstart
Upstart is an event-based init daemon developed for Linux systems to manage services and system startup and shutdown.
-
E.
OpenRC
OpenRC is a dependency-based init system and service manager for Unix-like operating systems, designed as a lightweight and flexible alternative to systems like systemd.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
init system
ⓘ
service management framework ⓘ software component ⓘ |
| commandLineTool | launchctl ⓘ |
| configurationDirectory |
/Library/LaunchAgents
ⓘ
/Library/LaunchDaemons ⓘ /System/Library/LaunchDaemons ⓘ ~/Library/LaunchAgents ⓘ |
| configurationFileExtension | .plist ⓘ |
| configurationFormat | property list ⓘ |
| designGoal | unify service management on macOS ⓘ |
| developer | Apple Inc. ⓘ |
| introducedInVersion | Mac OS X 10.4 Tiger ⓘ |
| jobDefinitionKey |
EnvironmentVariables
ⓘ
KeepAlive ⓘ Label ⓘ Program ⓘ ProgramArguments ⓘ RunAtLoad ⓘ Sockets ⓘ StartCalendarInterval ⓘ StartInterval ⓘ |
| license | Apple Public Source License ⓘ |
| manages |
background services
ⓘ
daemons ⓘ user agents ⓘ |
| operatingSystem |
Darwin
ⓘ
iOS ⓘ iPadOS ⓘ macOS ⓘ tvOS ⓘ watchOS ⓘ |
| platform | Darwin-based operating systems ⓘ |
| programmingLanguage | C ⓘ |
| purpose |
daemon management
ⓘ
process supervision ⓘ service management ⓘ system initialization ⓘ |
| replaces |
SystemStarter
ⓘ
linked to:
Upstart
cron ⓘ xinetd ⓘ |
| role | first user-space process ⓘ |
| startupPhase | PID 1 on macOS ⓘ |
| supportsFeature |
cron-style time scheduling
ⓘ
dependency management ⓘ event-based job scheduling ⓘ on-demand service startup ⓘ per-user agents ⓘ socket activation ⓘ system-wide daemons ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: launchd Description of subject: launchd is the unified service management and initialization system used in macOS and other Darwin-based operating systems to start, stop, and manage daemons, services, and processes.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Darwin operating system