3rd December 2019

kb
11

What is a daemon process?

A daemon is a long-running background process that answers requests for services. The term originated with Unix, but most operating systems use daemons in some form or another. In Unix, the names of daemons conventionally end in "d". Some examples include inetd , httpd , nfsd , sshd , named , and lpd .

Herein, what is the difference between a zombie process and an orphan process?

Zombie process vs Orphan process. Ask Question. vote 36. 24. A Zombie is created when a parent process does not use the wait system call after a child dies to read its exit status, and an orphan is child process that is reclaimed by init when the original parent process terminates before the child.

What is the orphan process?

An orphan process is a computer process whose parent process has finished or terminated, though it remains running itself. In a Unix-like operating system any orphaned process will be immediately adopted by the special init system process.

What is a child process and a parent process?

In Unix-like operating systems, every process except process 0 (the swapper) is created when another process executes the fork() system call. The process that invoked fork is the parent process and the newly created process is the child process.
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