| Member | Description |
|---|---|
| Auto | The host program determines which naming system to use. |
| Mpe | InfoConnect uses traditional MPE filenames unless a name begins with a forward slash or a period, in which case the name is assumed to be a POSIX name. |
| MpeOnly | InfoConnect uses traditional MPE filenames, reporting any filename that begins with a forward slash or a period as invalid. |
| Posix | InfoConnect uses POSIX filenames. |