Zombie process

UNIX for Advanced & Expert Users
1

What is the overhead associated with zombie process?Is it running out of process-ID?:confused:
Since some information is stored in process table..

Thanks in Advance

2

You've answered your own question, I think.

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3

zombies use a process slot, almost every other resource including memory is released.
zombies are the usually result of bad programming

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4

Kill zombies
ps -A -ostat,ppid,pid,cmd | grep -e '^[Zz]' | awk '{print "kill -9 "$2}'

5

Kill zombies
ps -A -ostat,ppid,pid,cmd | grep -e '^[Zz]' | awk '{print "kill -9 "$2}'