- VMS - OpenVMS
- Windows - Microsoft Windows, other than Windows CE
- WindowsCE - Microsoft Windows CE
- OS2 - OS2
- NetWare - NetWare
- Mac - Mac OS, prior to Mac OS X
- Posix - Anything Unix-like, including Mac OS X
Linear Supertypes
Enumeration, Serializable, Serializable, AnyRef, Any
Indicator of current operating system.
- VMS - OpenVMS - Windows - Microsoft Windows, other than Windows CE - WindowsCE - Microsoft Windows CE - OS2 - OS2 - NetWare - NetWare - Mac - Mac OS, prior to Mac OS X - Posix - Anything Unix-like, including Mac OS X