1. 艾克斯：
它是由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 Network Server。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.俳句：
它是由 Haiku Incorporation 提供的免费开源操作系统。它主要是为个人电脑设计的。它与暂停的操作系统 BeOS 非常相似。它主要用 C++ 编写并提供面向对象的 API。该操作系统的开发始于2001年，操作系统于2008年成为自托管。Haiku的第一个版本于2009年推出。Haiku最新的稳定版本是R1/Beta。
AIX 和 Haiku 的区别：
| AIX | Haiku |
|---|---|
| It was developed and is owned by IBM. | It was developed and is owned by Haiku Incorporation. |
| It was launched in 1986. | It was launched in 2009 |
| Its target system type is Server, NAS and workstation. | Its target system type is personal computers. |
| Computer architectures supported are POWER, PowerPC-AS, PowerPC and Power ISA. | Computer architectures supported are IA-32, PowerPC and x86-64 |
| Kernel type is Monolithic with modules. | Kernel type is Hybrid. |
| Package management is installp and RPM. | Package management is Ports collection (haikuport) |
| The native APIs are SysV/POSIX. | The native APIs are POSIX and BeOS API. |
| Preferred license is Proprietary. | Preferred license is MIT. |
| Update management is Service Update Management Assistant (SUMA). | Update management is pkgman and HaikuDepot. |
| File systems supported are JFS, JFS2, ISO 9660, UDF, NFS, SMBFS and GPFS. | File systems supported are BFS, FAT, ISO 9660, ext3 and NTFS. |