| %a | Client's architecture (Samba, WfWg, WinNT, Win95, or UNKNOWN) |
| %d | Current server process's process ID |
| %D | User 's Windows NT Domain |
| %f | Printer spool file as a relative path (printing only) |
| %f | User from which a message was sent (messages only) |
| %G | Primary group name of %U ( requested username) |
| %g | Primary group name of %u (actual username) |
| %H | Home directory of %u (actual username) |
| %h | Samba server's (Internet) hostname |
| %I | Client's IP address |
| %j | Print job number (printing only) |
| %L | Samba server's NetBIOS name (virtual servers have multiple names ) |
| %M | Client's (Internet) hostname |
| %m | Client's NetBIOS name |
| %N | Name of the NIS home directory server (without NIS, same as %L ) |
| %n | New password (password change only) |
| %o | Old password (password change only) |
| %P | Current share's root directory (actual) |
| %p | Current share's root directory (in an NIS homedir map) |
| %p | Print filename (printing only) |
| %R | Protocol level in use (CORE, COREPLUS, LANMAN1, LANMAN2, or NT1) |
| %S | Current share's name |
| %s | Name of the file in which the message resides (messages only) |
| %s | Printer spool filename (printing only) |
| %T | Current date and time |
| %t | Destination system (messages only) |
| %U | Requested username for current share |
| %u | Current share's username |
| %v | Samba version |
| %$ name | Value of environment variable name |
