Answer Posted / ajit mohan b
Zombie process or defunct process is a process that has
completed execution but still has an entry in the process
table. This entry is still being needed to allow the process
that started the zombie process to read its exit status.
Zombies can be identified in the output from the ps command
by the presence of a "Z" in the STAT column. Use kill -9 or
kill -15 to remove zombie process.
Zombie is not same as orphan process. An orphan process is a
process that is still executing, but whose parent has died.
They do not become zombie processes; instead, they are
adopted by init (process ID 1), which waits on its children.
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