1. Windows：
Windows是Microsoft Incorporation提供的一组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作为其家族的成员。早期包括不再使用的Windows 9x，Windows Mobile和Windows Phone。它是个人计算机中使用最多的操作系统。 Microsoft于1985年发布了Windows的第一个版本。用于个人计算机的Windows的最新版本是Windows 10。
2. HP – UX：
HP-UX是HP Enterprise提供的封闭源操作系统。它是一种类似Unix的操作系统，其设计基于Unix SystemV。它基本上是为HP计算机设计的。它的目标系统是服务器。它是五个具有The Open Group的UNIX 03标准认证的商业操作系统之一。 HP-UX的第一个版本于1983年发布。HP-UX的最新稳定版本是11i-v3。它具有带有可动态加载模块的Monolithic内核。
Windows和HP – UX之间的区别：
| WINDOWS | HP – UX |
|---|---|
| It was developed and is owned by Microsoft Incorporation. | It was developed and is owned by HP Enterprise. |
| It was launched in 1985. | It was launched in 1983. |
| It is for workstation, personal computers, media center, tablets and embedded systems. | Its target system type is server. |
| Computer architectures supported by Windows are IA-32, x86-64, IA-64, ARM, Alpha, MIPS and PowerPC. | Computer architectures supported are PA-RISC and IA-64. |
| Kernel type is Hybrid with modules. | Kernel type is Monolithic with dynamically loadable modules. |
| Package management is MSI or custom installer. | Package management is SD or swinstall. |
| Update management is Windows Update. | Update management is SWA (HP-UX Software Assistant)). |
| 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. |
| File systems supported are NTFS, FAT, ISO 9660, UDF, HFS+, FATX and HFS. | File systems supported are VxFS, HFS, CDFS, EVFS, NFS and CIFS. |