1. AIX :
AIX is a series of proprietary operating systems which is provided by IBM. AIX stands for Advanced Interactive eXecutive. Initially it was designed for the IBM RT PC RISC workstation and later it was used for various hardware platforms like IBM RS/6000 series, PowerPC-based systems, System-370 mainframes, PS-2 personal computers and Apple Network Server. It is one of the five commercial operating systems that have versions certified to UNIX 03 standard of The Open Group. The first version of AIX was launched in 1986. The latest stable version of AIX is 7.2.
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.
Difference between AIX and OS/2 :
|It was developed and is owned by IBM.||It was developed by co-ordination of Microsoft Inc. and IBM.|
|It was launched in 1986.||It was launched in 1987.|
|Its target system type is Server, NAS and workstation.||Its target system types are personal computers and servers.|
|Computer architectures supported are POWER, PowerPC-AS, PowerPC and Power ISA.||Computer architectures supported by OS/2 are 16-bit x86 (1.x only) and IA-32.|
|Kernel type is Monolithic with modules.||Its kernel type is Monolithic with modules.|
|The native APIs are SysV/POSIX.||Its native APIs are Proprietary, DOS API and Win16.|
|Preferred license is Proprietary.||It has the preferred license of Proprietary.|
|The non-native APIs supported through its subsystems are DOS API.||The non-native APIs supported through its subsystems are Win32.|
|File systems supported are JFS, JFS2, ISO 9660, UDF, NFS, SMBFS and GPFS.||File systems supported by OS/2 are HPFS, JFS, FAT, ISO 9660, UDF and NFS.|
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