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. 索拉里斯：
Solaris 是由 Oracle Corporation 提供的专有操作系统。它是一个类 Unix 操作系统。它是用C语言和C++编写的。它有一个混合源模型，即开放和关闭源。它最初由 Sun Microsystems 开发，2010 年被 Oracle Corporation 收购。 Solaris 的第一个版本于 1992 年推出。该操作系统中使用的内核是具有可动态加载模块的 Monolithic。
AIX 和 Solaris 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. |