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. AmigaOS 4：
AmigaOS 4 是由 Hyperion Entertainment 提供的 Amiga 操作系统系列。它用于运行 PowerPC 微处理器。它的设计主要基于 Commodore 的 AmigaOS 3.1。它部分基于德国公司 Haage and Partner 的 AmigaOS 3.9。它主要是用C语言编写的。它属于 AmigaOS 家族。 AmigaOS 4 的第一个版本于 2004 年推出。AmigaOS 4 的最新稳定版本是 4.1 Final Edition。它也被称为 OS4 或 AOS4。
AIX 和 AmigaOS 4 的区别：
| S.NO. | AIX | AMIGAOS 4 |
|---|---|---|
| 1. | It was developed and is owned by IBM. | It was developed by Hyperion Entertainment. |
| 2. | It was launched in 1986. | It was launched in 2004. |
| 3. | Current stable version is 7.2. | Current stable version is 4.1 Final Edition. |
| 4. | Its kernel type is Monolithic with modules. | Its kernel type is Microkernel. |
| 5. | Its target system type is Server, NAS and workstation. | Its target system types are workstation and personal computers. |
| 6. | Computer architectures supported by AIX are POWER, PowerPC-AS, PowerPC and Power ISA. | Computer architectures supported by AmigaOS 4 is PowerPC. |
| 7. | File systems supported by AIX are JFS, JFS2, ISO 9660, UDF, NFS, SMBFS and GPFS. | File systems supported by AmigaOS 4 are OFS, FFS, SFS, PFS, JXFS, FAT, ISO 9660, UDF and SMBFS. |
| 8. | It has preferred license Proprietary. | It has the preferred license of Proprietary. |
| 9. | Its update management is Service Update Management Assistant (SUMA). | Its update management is AmiUpdate which is almost not needed. |
| 10. | The non-native APIs are not supported by its subsystems. | The non-native APIs supported by its subsystems are BSD subsets. |
| 11. | Its native APIs are SysV/POSIX. | Its native APIs are Proprietary. |