What is Service in Linux

In easy terms, a service is a program or application in Linux that runs or expects to run in the background. That is, it is running without the need for the user to be aware of it all the time.

Generally, a Linux service has the following characteristics:

  • No graphical interface. That is, users cannot interact with them through an interface.
  • The services are started with the system. Of course, in this case, I refer to the system services. Third-party services such as MySQL can be configured to start or not with the system.
  • When running in the background, they wait for a signal to start a certain task.

These features are not restrictive to all services but it gives you a general idea of what they are.

At this point, you are probably wondering what some of the Linux services are. Well, some services are:

  • httpd
  • mysql
  • postgresql
  • proftpd
  • bluetooth
  • apparmor
  • cups

And many more applications are managed through a service.

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