Interview Q&A / Linux & Shell
Linux & Shell interview questions
Permissions, processes, pipes and the commands you are expected to know cold.
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- What is a zombie process, and how do you get rid of it?
A zombie is a process that has finished but still has an entry in the process table because its parent has not read its exit status. It uses no CPU or memory beyond that entry. You fix it by making the parent call wait, restarting the parent, or killing the parent so init adopts and cleans it.
IntermediateQuick answer1 min read