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LFCS · Question #306

In the smb.conf file, what does the %S variable mean?

The correct answer is C. The name of the service after the connection has been established. In the smb.conf file, the %S variable expands to the name of the Samba service (share) that has been established or connected.

Submitted by jian89· Apr 18, 2026Service Configuration

Question

In the smb.conf file, what does the %S variable mean?

Options

  • ASession Username
  • BThe name of the Samba Server.
  • CThe name of the service after the connection has been established.
  • DThe local IP address to which the client connected.

How the community answered

(40 responses)
  • A
    3% (1)
  • B
    5% (2)
  • C
    93% (37)

Why each option

In the `smb.conf` file, the `%S` variable expands to the name of the Samba service (share) that has been established or connected.

ASession Username

The `%u` variable represents the session username, not `%S`.

BThe name of the Samba Server.

The name of the Samba server is often defined by the `netbios name` parameter, not represented by `%S`.

CThe name of the service after the connection has been established.Correct

The `%S` variable in Samba's `smb.conf` configuration file represents the name of the current service (share) that has been connected to by the client, such as 'public' or 'homes'. This allows dynamic configuration based on which share a client has successfully connected to.

DThe local IP address to which the client connected.

The local IP address to which the client connected is not represented by `%S`; other variables or network interface settings are used for such details.

Concept tested: Samba smb.conf variables

Source: https://www.samba.org/samba/docs/current/manpages/smb.conf.5.html

Topics

#Samba#smb.conf#Configuration variables#Service configuration

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