课程: Practical Linux for Network Engineers: Part 1
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Linux processes, part 1
(instrumental music) - [Speaker] Now most of us are familiar with the concept that Windows has multiple processes running. And we also have services that run in the background. So these are processes, as an example, that will start up automatically when the system starts up, and they could log on with a specific user account. So on a Windows server, as an example, you may have a DNS service, a DHEP service, or other services that automatically startup in the background and run as services which are essentially processes running on your system that start up automatically. On a Cisco router as an example we can use commands such as show processes, and that will show us various processes running on the Cisco router. So as you can see here, various processes are running. We didn't start up these processes. When the system booted up, processes with a process ID were automatically started up. So as an example, the Exec process gives us a shell, or an Exec interface to the system. So without…
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