1. 艾克斯：
AIX 是 IBM 提供的一系列专有操作系统。 AIX 代表高级交互式执行程序。最初它是为 IBM RT PC RISC 工作站设计的，后来它被用于各种硬件平台，如 IBM RS/6000 系列、基于 PowerPC 的系统、System-370 大型机、PS-2 个人计算机和 Apple 网络服务器。它是通过 The Open Group 的 UNIX 03 标准认证的五个商业操作系统之一。 AIX 的第一个版本于 1986 年推出。AIX 的最新稳定版本是 7.2。
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。
AIX 和 Inferno 的区别：
| AIX | Inferno |
|---|---|
| It was developed by IBM. | It was developed by Bell Labs. |
| It was launched in 1986. | It was launched in 1997. |
| Its target system type is Server, NAS and workstation. | Its target system type are NAS, server and embedded systems. |
| Computer architectures supported are POWER, PowerPC-AS, PowerPC and Power ISA. | Computer architectures supported by Inferno are IA-32, PowerPC, SPARC, Alpha and MIPS. |
| Kernel type is Monolithic with modules. | Its kernel type is Monolithic with modules. |
| Package management is installp and RPM. | Package management is MSI or custom installer. |
| It is owned by IBM. | It is owned by Vita Nuova Holdings. |
| The native APIs are SysV/POSIX. | Its native APIs Proprietary. |
| Preferred license is Proprietary. | It has the preferred license of MIT, GNU GPL, GNU LGPL and LPL. |
| File systems supported are NTFS, FAT, ISO 9660, UDF, HFS+, FATX and HFS. | File systems supported by Inferno are Styx/9P2000, kfs, FAT and ISO 9660. |