The specified data will not be re-used (i.e. it will only be
used once), so it shouldn't be kept around in the disk cache after it
has been used..
Syntax
Requirements
Namespace: Mono.Unix
Assembly: Mono.Posix (in Mono.Posix.dll)
Assembly Versions: 1.0.5000.0, 2.0.0.0, 4.0.0.0