1. 视窗：
Windows 是一组由 Microsoft Incorporation 提供的各种专有图形操作系统。它也被称为Microsoft Windows 。它目前包括 Windows NT 和 Windows IoT 作为其家族成员。早些时候，它包括不再使用的 Windows 9x、Windows Mobile 和 Windows Phone。它是个人计算机中最常用的操作系统。微软于 1985 年推出了 Windows 的第一个版本。它具有带有模块的混合内核。
2. 地狱：
Inferno 是 Vita Nuova Holdings 提供的分布式操作系统。它是一个免费的操作系统。它是使用 C 和 Limbo 编写的。它的目标系统是 NAS、服务器和嵌入式系统。它可以跨硬件、网络和环境的广泛组合进行移植。 Inferno 的第一个版本于 1997 年推出。它由贝尔实验室的计算机科学研究部开发。它是一个开源操作系统。它的内核类型是单一的。
Windows 和 Inferno 的区别：
| S.No. | WINDOWS | INFERNO |
|---|---|---|
| 1. | It was developed by Microsoft Incorporation. | It was developed by Bell Labs. |
| 2. | It was launched in 1985. | It was launched in 1997. |
| 3. | It is owned by Microsoft Inc. | It is owned by Vita Nuova Holdings. |
| 4. | Its target systems types are workstation, personal computers, media center, tablets and embedded systems. | Its target system type are NAS, server and embedded systems. |
| 5. | Computer architectures supported by Windows are IA-32, x86-64, IA-64, ARM, Alpha, MIPS and PowerPC. | Computer architectures supported by Inferno are IA-32, PowerPC, SPARC, Alpha and MIPS. |
| 6. | Its kernel type is Hybrid with modules. | Its kernel type is Monolithic with modules. |
| 7. | Its native APIs are Win32 and NT API. | Its native APIs Proprietary. |
| 8. | It has the preferred license Proprietary and Source available. | It has the preferred license of MIT, GNU GPL, GNU LGPL and LPL. |
| 9. | The non-native APIs supported through its subsystems are DOS API, Win16, POSIX and .NET. | The non-native APIs are not supported through its subsystems. |
| 10. | File systems supported by Windows are NTFS, FAT, ISO 9660, UDF, HFS+, FATX and HFS. | File systems supported by Inferno are Styx/9P2000, kfs, FAT and ISO 9660. |