1. 视窗：
Windows 是一组由 Microsoft Incorporation 提供的各种专有图形操作系统。它也被称为Microsoft Windows 。它目前包括 Windows NT 和 Windows IoT 作为其家族成员。早些时候，它包括不再使用的 Windows 9x、Windows Mobile 和 Windows Phone。它是个人计算机中最常用的操作系统。 Windows 的第一个版本由 Microsoft 于 1985 年推出。用于个人计算机的 Windows 的最新版本是 Windows 10。
2. 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。
Windows 和 AIX 的区别：
| WINDOWS | AIX |
|---|---|
| It was developed and is owned by Microsoft Incorporation. | It was developed and is owned by IBM. |
| It was launched in 1985. | It was launched in 1986. |
| Current stable version is Windows 10. | Current stable version is 7.2. |
| It is for workstation, personal computers, media center, tablets and embedded systems. | Its target system type is Server, NAS and workstation. |
| Computer architectures supported by Windows are IA-32, x86-64, IA-64, ARM, Alpha, MIPS and PowerPC. | Computer architectures supported are POWER, PowerPC-AS, PowerPC and Power ISA. |
| Kernel type is Hybrid with modules here. | Kernel type is Monolithic with modules. |
| Package management is MSI or custom installer. | Package management is installp and RPM. |
| The native APIs are Win32 and NT API. | The native APIs are SysV/POSIX. |
| Preferred license is Proprietary and Source available. | Preferred license is Proprietary. |
| Update management is Windows Update. | Update management is Service Update Management Assistant (SUMA). |
| It has default GUI on. | It does not have default GUI on. |
| File systems supported are NTFS, FAT, ISO 9660, UDF, HFS+, FATX and HFS. | File systems supported are JFS, JFS2, ISO 9660, UDF, NFS, SMBFS and GPFS. |