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Difference between Windows and OS/2

  • Last Updated : 09 Jul, 2020

1. Windows :
Windows is a group of various proprietary graphical operating systems which is provided by Microsoft Incorporation. It is also known as Microsoft Windows. It currently includes Windows NT and Windows IoT as members of its family. Earlier it included Windows 9x, Windows Mobile and Windows Phone which are no longer in use. It is the most used operating system in personal computers. The first version of Windows was launched by Microsoft in 1985. It has hybrid kernel with modules.

2. OS/2 :
OS/2 is a series of operating system which was developed by co-ordination of Microsoft Incorporation and IBM. Its target systems are personal computers and servers. It is written using C, C++ and assembly language. The first version of OS/2 was launched in 1987. It was discontinued in 2006 and after that it was being updated, maintained and marketed under the name eComStation. In 2015 it was named ArcaOS. The kernel used in this operating system is Monolithic with modules.

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Difference between Windows and OS/2 :

S.No.WINDOWSOS/2
1.It was developed by Microsoft Incorporation.It was developed by co-ordination of Microsoft Inc. and IBM.
2.It was launched in 1985.It was launched in 1987.
3.Its target systems types are workstation, personal computers, media center, tablets and embedded systems.Its target system types are personal computers and servers.
4.Computer architectures supported by Windows are IA-32, x86-64, IA-64, ARM, Alpha, MIPS and PowerPC.Computer architectures supported by OS/2 are 16-bit x86 (1.x only) and IA-32.
5.Its kernel type is Hybrid with modules.Its kernel type is Monolithic with modules.
6.Its native APIs are Win32 and NT API.Its native APIs are Proprietary, DOS API and Win16.
7.It has the preferred license Proprietary and Source available.It has the preferred license of Proprietary.
8.The non-native APIs supported through its subsystems are DOS API, Win16, POSIX and .NET.The non-native APIs supported through its subsystems are Win32.
9.Its package management is MSI or custom installer.Its package management is Feature Install.
10.File systems supported by Windows are NTFS, FAT, ISO 9660, UDF, HFS+, FATX and HFS.File systems supported by OS/2 are HPFS, JFS, FAT, ISO 9660, UDF and NFS.

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