Linux processes: signals, termination, zombies, cleanup

A process is a running instance of a program, it starts when a command is executed. In this article we discuss various process management concepts such as signals and how they are utilized, how a process is terminated, wait system calls, zombie processes and how they are cleaned.

Table of contents.Introduction.Signals.Process termination.Waiting for process terminationZombie processes.Asynchronous cleanup.Summary.References.Prerequisites.Linux processes: listing, creation, schedulin...