What command would be used to restart a Samba service?

The command to restart a Samba service is "systemctl restart smb" because it uses the systemd management tool, which is the standard service manager on most modern Linux distributions. Systemctl is part of the systemd suite and is responsible for managing system services, including starting, stopping, reloading, or restarting them.

When using the "systemctl restart smb" command, the service manager stops the Samba service (smb) and then starts it again, effectively refreshing the service. This is useful for applying configuration changes or resolving issues with the service.

While other options may appear valid at first glance, they do not align with the way services are managed in contemporary Linux systems. For instance, "smb restart" is not a recognized command in the context of managing system services. "service smb restart" could have been valid in older systems that use the init.d framework, but more recent distributions have migrated to systemd, making that command less applicable. Similarly, "restart smb service" is not formatted correctly according to standard command syntax used for service management in Linux.

In summary, "systemctl restart smb" is the correct command to restart the Samba service because it adheres to the modern systemd framework, ensuring that service management is