Signals & Trap
What Signals Are (Recap) Signals are how the OS or another process asks a running process to do something — most commonly, to stop. Scripts …
Jan 20, 2026
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Signals
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Processes & Jobs
What Is a Process? A process is a running instance of a program — it has its own PID (process ID), memory space, open file descriptors, and …
Jan 20, 2026
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