Glossary term
What is zombie process? Meaning for developers
A finished process whose parent has not yet collected its exit code, so it only holds a slot in the process table.
Learn it properly · Linux & ShellLesson 2: Processes, Signals and Job ControlWhat a process is, ps and top, foreground and background jobs, signals such as SIGTERM and SIGKILL, exit codes, and zombies and orphans.