SIGSTOP
The signal that pauses a process; like SIGKILL, it cannot be caught or ignored.
In more detail
A stopped process shows state T in ps and does nothing until it receives SIGCONT. Pressing Ctrl-Z at a terminal sends the related SIGTSTP, which a program may catch.
Example
kill -STOP 4321 pauses process 4321; kill -CONT 4321 resumes it.Related terms
- signal — A short notification the kernel delivers to a process, such as please stop or stop now.
- SIGCONT — The signal that resumes a stopped process.
- job control — The shell feature for managing the commands it started: listing them with jobs, and moving them between foreground and background with fg and bg.
Taught in
- Runlevels, Targets And A Polite Shutdown — LPIC-1 Linux Administrator (101-500 and 102-500) Exam Prep