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. 惠普 – 用户体验：
HP-UX 是由 HP Enterprise 提供的闭源操作系统。它是一个类 Unix 操作系统，其设计基于 Unix System V。它基本上是为 HP 计算机设计的。它的目标系统是服务器。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。 HP-UX 的第一个版本于 1983 年推出。HP-UX 的最新稳定版本是 11i-v3。它具有带有动态可加载模块的单片内核。
AIX 和 HP-UX 的区别：
| AIX | HP-UX |
|---|---|
| It was developed and is owned by IBM. | It was developed and is owned by HP Enterprise. |
| It was launched in 1986. | It was launched in 1983. |
| Its target system type is Server, NAS and workstation. | Its target system type is server. |
| Computer architectures supported are POWER, PowerPC-AS, PowerPC and Power ISA. | Computer architectures supported are PA-RISC and IA-64. |
| Kernel type is Monolithic with modules. | Kernel type is Monolithic with dynamically loadable modules. |
| Package management is installp and RPM. | Package management is SD or swinstall. |
| Update management is Service Update Management Assistant (SUMA). | Update management is SWA (HP-UX Software Assistant)). |
| The native APIs are SysV/POSIX. | The native APIs are SysV/POSIX. |
| Preferred license is Proprietary. | Preferred license is Proprietary. |
| File systems supported are JFS, JFS2, ISO 9660, UDF, NFS, SMBFS and GPFS. | File systems supported are VxFS, HFS, CDFS, EVFS, NFS and CIFS. |