1. AIX：
AIX是IBM提供的一系列专有操作系统。 AIX代表Advanced Interactive eXecutive。最初，它是为IBM RT PC RISC工作站设计的，后来又用于各种硬件平台，例如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 Network Server。它是五个具有The Open Group的UNIX 03标准认证的商业操作系统之一。 AIX的第一个版本于1986年发布。AIX的最新稳定版本是7.2。
2. AmigaOS 4：
AmigaOS 4是Hyperion Entertainment提供的一系列Amiga操作系统。它用于运行PowerPC微处理器。其设计主要基于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系列。 AmigaOS 4的第一个版本于2004年发布。AmigaOS4的最新稳定版本是4.1 Final Edition。也称为OS4或AOS4。
AIX和AmigaOS 4之间的区别：
| 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. |