Which Samba variable is used to pass the machine name to a script specified in the add machine script?

The variable used to pass the machine name to a script specified in the add machine script is represented by %m. In the context of Samba, this variable is substituted with the NetBIOS name of the machine that is making the request for an account to be added.

When configuring Samba for a network, administrators often include an add machine script to automate the addition of new machines to the Samba server. The %m variable allows the script to directly access the name of the client machine, making it possible to tailor the account setup process for that specific machine.

For example, if a Windows machine named "WORKSTATION1" attempts to join the Samba domain, the %m variable in the script would be replaced with "WORKSTATION1". This enables dynamic processing tailored to the individual machine, enhancing the flexibility and management of network resources.

The other options represent different variables that serve different purposes. For instance, %u typically represents the username of the user making the request, %w often relates to the workgroup name, and %p refers to the service name. Each of these has its specific context within Samba but does not provide the machine name directly, which is why they do not apply in this case.