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. Solaris：
Solaris是Oracle Corporation提供的专有操作系统。它是一个类似Unix的操作系统。它是用C语言和C++编写的。它具有混合源模型，即同时打开和关闭源。它最初由Sun Microsystems开发，并于2010年被Oracle Corporation收购。Solaris的第一个版本于1992年发布。此操作系统中使用的内核是Monolithic，具有可动态加载的模块。
AIX和Solaris之间的区别：
| AIX | Solaris |
|---|---|
| It was developed by IBM. | It was developed by Sun Microsystems. |
| It was launched in 1986. | It was launched in 1992. |
| Its target system type is Server, NAS and workstation. | Its target system types are server and workstation. |
| It is owned by IBM. | It is owned by Oracle Corporation. |
| Computer architectures supported are POWER, PowerPC-AS, PowerPC and Power ISA. | Computer architectures supported by Solaris are IA-32, x86-64 and SPARC. |
| Kernel type is Monolithic with modules. | Its kernel type is Monolithic with dynamically loadable modules. |
| The native APIs are SysV/POSIX. | Its native APIs are SysV/POSIX, GTK and Java. |
| Preferred license is Proprietary. | It has the preferred license of CDDL. |
| Update management is Service Update Management Assistant (SUMA). | Its update management is Image Packaging System. |
| File systems supported are JFS, JFS2, ISO 9660, UDF, NFS, SMBFS and GPFS. | File systems supported by Solaris are UFS, ZFS, ext2, FAT, ISO 9660, UDF, NFS and QFS. |