Tag
process-groups
- Sep 4, 2026 Process Groups, Sessions, and the Mechanics of Job Control Why Ctrl-C reaches a whole pipeline at once, what a background job actually is, and which kernel structures the shell manipulates to make fg and bg work. developer tools
- Nov 22, 2025 Sessions, Process Groups, and the Controlling Terminal How the kernel groups processes for signal delivery and job control, why the controlling terminal is a session property, and what happens to a process left in the background. computing history
- May 17, 2024 Signal Handling in Shell Scripts: Traps, Races, and Termination Forwarding When a trap handler actually runs, which signals a script cannot catch, and how a wrapper passes SIGTERM to its children without orphaning them. developer tools