Live briefing

Everything about SIGHUP

Unix signal

On POSIX-compliant platforms, SIGHUP is a signal sent to a process when its controlling terminal is closed. It was originally designed to notify the process of a serial line drop. SIGHUP is a symbolic constant defined in the header file signal.h. Wikipedia →

🧭 Start here: a 6-step reading path

Read the overview: SIGHUPA 5-minute orientation
Go sideways: Signal (IPC)A closely related topic
Go sideways: Job control (Unix)A closely related topic

📖 Definitions

No dictionary entry for this exact phrase.

🗂️ The subject at a glance

🏆 Landmark papers (most cited)

No matching papers found.

📚 Books worth reading

Open Library didn't respond; try again in a moment.

🔗 Related topics

Signal (IPC) Signals are standardized messages sent to a running computer program to trigger specific behavior, such as quitting or error handling. They are a limited…
Job control (Unix) In a Unix or Unix-like operating system, job control refers to controlling a process group as a job via a shell. Control features include suspend, resume…
Background process A background process is a computer process that runs behind the scenes (i.e., in the background) and without user intervention. Typical tasks for these…
Pseudoterminal In some operating systems, including Unix-like systems, a pseudoterminal, pseudotty, or PTY is a pair of pseudo-device endpoints (files) which establish…
Orphan process An orphan process is a computer process whose parent process has finished or terminated, though it remains running itself. In a Unix-like operating system…
POSIX The Portable Operating System Interface (POSIX; IPA: /ˈpɒz.ɪks/) is a family of standards specified by the IEEE Computer Society for maintaining compatibility…
Bash (Unix shell) Bash (short for "Bourne Again SHell") is an interactive command interpreter and command language developed for Unix-like operating systems. Supported by…
Kill (command) In computing, kill is a command that is used in several popular operating systems to send signals to running processes. In Unix and Unix-like operating…