Version 5.0 of the MPE operating system .
Property Value
The default value is WRQMPEFileNamesOption.MPE. WRQMPEFileNamesOption.Auto The host program determines which naming system to use. WRQMPEFileNamesOption.MPE InfoConnect uses traditional MPE file names, unless a name begins with a forward slash or a period, in which case the name is assumed to be a POSIX name. WRQMPEFileNamesOption.POSIX InfoConnect uses POSIX file names. WRQMPEFileNamesOption.MPEOnly InfoConnect uses traditional MPE file names, reporting any file name beginning with a forward slash or a period as invalid.