---
title: Anonymous
framework: foundation
role: collectionGroup
role_heading: API Collection
path: foundation/1552984-anonymous
---

# Anonymous

The following constants are provided by the NSProcessInfo class as return values for operatingSystem().

## Topics

### Constants

- [NSHPUXOperatingSystem](foundation/nshpuxoperatingsystem.md)
- [NSMACHOperatingSystem](foundation/nsmachoperatingsystem.md)
- [NSOSF1OperatingSystem](foundation/nsosf1operatingsystem.md)
- [NSSolarisOperatingSystem](foundation/nssolarisoperatingsystem.md)
- [NSSunOSOperatingSystem](foundation/nssunosoperatingsystem.md)
- [NSWindows95OperatingSystem](foundation/nswindows95operatingsystem.md)
- [NSWindowsNTOperatingSystem](foundation/nswindowsntoperatingsystem.md)

## See Also

### Getting host information

- [hostName](foundation/processinfo/hostname.md)
- [operatingSystemVersionString](foundation/processinfo/operatingsystemversionstring.md)
- [operatingSystemVersion](foundation/processinfo/operatingsystemversion.md)
- [isOperatingSystemAtLeast(_:)](foundation/processinfo/isoperatingsystematleast(_:).md)
- [OperatingSystemVersion](foundation/operatingsystemversion.md)
- [operatingSystem()](foundation/processinfo/operatingsystem().md)
- [operatingSystemName()](foundation/processinfo/operatingsystemname().md)