samba-common-bin - 2:4.21.1+dfsg-2 main

Samba is an implementation of the SMB/CIFS protocol for Unix systems,
providing support for cross-platform file sharing with Microsoft Windows, OS X,
and other Unix systems. Samba can also function as a domain controller
or member server in Active Directory or NT4-style domains.
.
This package contains the common files that are used by both the server
(provided in the samba package) and the client (provided in the smbclient
package).