From a unix admin standpoint what is the difference please between those terminologies : Service, Process, Thread, Task, Job, Daemon ?
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From a unix admin standpoint what is the difference please between those terminologies : Service, Process, Thread, Task, Job, Daemon ?
Service is a program that runs continuously in the background.
Process is a program that is running and is assigned a pid, a process ID.
Task is a fuzzy one, I can't think of a concrete example. I believe it's a windows version of a process.
Job is a command to be executed at a certain date/time, usually through cron.
Daemon is pretty much a service, a program that runs in the background. The major distinction is that this one accepts connections from clients on the network.
Kyle H
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