Linux TTY subsystem
E635873
The Linux TTY subsystem is the kernel component that manages terminal devices and text-based user sessions, providing the interface between user-space programs and character-based input/output on Linux systems.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Linux TTY subsystem canonical | 1 |
| Linux virtual console | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6993867 — 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: Linux TTY subsystem Context triple: [Alan Cox, workedOn, Linux TTY subsystem]
-
A.
VT100 terminal
The VT100 terminal is a widely influential video display terminal introduced by Digital Equipment Corporation in the late 1970s, known for popularizing ANSI escape codes and becoming a de facto standard for text-based computer interfaces.
-
B.
Linux kernel driver core
The Linux kernel driver core is the central subsystem responsible for managing device drivers and their interaction with hardware and the rest of the kernel.
-
C.
IBM 3270-style terminal displays
IBM 3270-style terminal displays are block-oriented mainframe computer terminals widely used from the 1970s onward for high-speed, reliable interaction with IBM mainframe systems in corporate and institutional environments.
-
D.
Linux kernel USB subsystem
The Linux kernel USB subsystem is the core component of the Linux operating system responsible for managing USB hardware, drivers, and data transfer between USB devices and the system.
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E.
Linux /proc file system
The Linux /proc file system is a virtual filesystem that exposes kernel and process information as files, enabling users and programs to inspect and control system state through a simple file-based interface.
- 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: Linux TTY subsystem Target entity description: The Linux TTY subsystem is the kernel component that manages terminal devices and text-based user sessions, providing the interface between user-space programs and character-based input/output on Linux systems.
-
A.
VT100 terminal
The VT100 terminal is a widely influential video display terminal introduced by Digital Equipment Corporation in the late 1970s, known for popularizing ANSI escape codes and becoming a de facto standard for text-based computer interfaces.
-
B.
Linux kernel driver core
The Linux kernel driver core is the central subsystem responsible for managing device drivers and their interaction with hardware and the rest of the kernel.
-
C.
IBM 3270-style terminal displays
IBM 3270-style terminal displays are block-oriented mainframe computer terminals widely used from the 1970s onward for high-speed, reliable interaction with IBM mainframe systems in corporate and institutional environments.
-
D.
Linux kernel USB subsystem
The Linux kernel USB subsystem is the core component of the Linux operating system responsible for managing USB hardware, drivers, and data transfer between USB devices and the system.
-
E.
Linux /proc file system
The Linux /proc file system is a virtual filesystem that exposes kernel and process information as files, enabling users and programs to inspect and control system state through a simple file-based interface.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Linux kernel subsystem
ⓘ
terminal handling subsystem ⓘ |
| category |
Linux kernel internals
NERFINISHED
ⓘ
terminal I/O ⓘ |
| configurableVia |
ioctl system calls
ⓘ
termios API NERFINISHED ⓘ |
| designedFor | character-based interfaces ⓘ |
| documentedIn | Linux kernel documentation NERFINISHED ⓘ |
| exposesInterface |
/dev/pts/N
ⓘ
/dev/tty ⓘ /dev/tty0 ⓘ /dev/ttyN ⓘ |
| handles |
job control signals
ⓘ
keyboard input ⓘ line discipline processing ⓘ terminal control signals ⓘ terminal output ⓘ |
| implements |
controlling terminal semantics
ⓘ
session management for terminals ⓘ |
| includesComponent |
TTY core
NERFINISHED
ⓘ
TTY drivers ⓘ line disciplines ⓘ |
| interactsWith |
process scheduler
ⓘ
signal handling subsystem ⓘ virtual terminal subsystem ⓘ |
| language | C ⓘ |
| manages |
pseudo-terminals
ⓘ
serial terminals ⓘ terminal devices ⓘ virtual terminals ⓘ |
| originatesFrom | UNIX TTY model ⓘ |
| partOf | Linux kernel NERFINISHED ⓘ |
| providesInterfaceBetween | character-based input/output ⓘ |
| providesInterfaceBetween | user space programs ⓘ |
| runsOn | Linux operating system NERFINISHED ⓘ |
| supports |
background process groups
ⓘ
canonical mode input ⓘ echo control ⓘ foreground process groups ⓘ job control integration ⓘ non-canonical mode input ⓘ signal generation on special characters ⓘ terminal line editing ⓘ text-based user sessions ⓘ |
| usedBy |
login programs
ⓘ
remote login services ⓘ shells ⓘ terminal emulators ⓘ |
| uses | character device drivers ⓘ |
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: Linux TTY subsystem Description of subject: The Linux TTY subsystem is the kernel component that manages terminal devices and text-based user sessions, providing the interface between user-space programs and character-based input/output on Linux systems.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
VT100
this entity surface form:
Linux virtual console