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Common Desktop Environment
Cde.svg
DECwindows CDE on OpenVMS 7.3-1
DECwindows CDE on OpenVMS 7.3-1
Developer(s) The Open Group
Operating system Unix, OpenVMS
Type Desktop environment
License Proprietary
Website www.opengroup.org/cde

The Common Desktop Environment (CDE) is a desktop environment for Unix, based on the Motif widget toolkit. HP's OpenVMS uses CDE as its standard desktop environment.

Contents

History

Corporate history

SunSoft, HP, IBM and USL announced CDE in June 1993 as a joint development within the Common Open Software Environment (COSE) initiative. The primary environment was based on HP's VUE (Visual User Environment), itself derived from the Motif Window Manager (mwm). IBM contributed its Common User Access model and Workplace Shell. Novell provided desktop manager components and scalable systems technologies from UNIX System V. Sun contributed its ToolTalk application interaction framework and a port of its DeskSet productivity tools, including mail and calendar clients, from its OpenWindows environment.[1]

In March 1994 CDE became the responsibility of the "new OSF", a merger of the Open Software Foundation and Unix International;[2] in September 1995, the merger of Motif and CDE into a single project, CDE/Motif, was announced.[3] OSF became part of the newly formed Open Group in 1996.[4]

Until about 2000, users of Unix desktops regarded CDE as the de facto standard, but at that time, other desktop environments such as GNOME and KDE were quickly becoming mature, and became almost universal on the Linux platform, which already had a larger user base than most commercial Unixes in total. Red Hat is the only Linux distribution to which CDE has been ported, although it has since been phased out in favour of GNOME. However CDE code can still be bought and compiled on any UNIX and UNIX-like OS.

In 2001, Sun Microsystems announced that they would phase out CDE as the standard desktop on their (Solaris) workstations in favor of GNOME.

Solaris 10, released in early 2005, includes both CDE and the GNOME-based Java Desktop System. Future releases of Solaris will be based on the OpenSolaris open source project, which states that there is no plan to make the Solaris CDE "consolidation" (OS component) available as open source.[5]

A petition exists asking The Open Group to release the source code of CDE and Motif under a free license.[6] The Open Group released Motif in 2000 as OpenMotif under a "revenue sharing" license that does not fully meet either the open source or free software definitions. (The Open Group had wished to make it open source, but did not quite succeed in achieving this.[7])

The modern-day Xfce used to take part of the look-and-feel from the CDE environment, but no longer does.

Version history

Operating systems using CDE

References

  1. ^ Hewlett-Packard, IBM Corporation, SunSoft, Inc., UNIX System Laboratories, X/Open Company Ltd. (1993-06-30). "UNIX Leaders Complete First Release of Specification for Common Open Software Environment Desktop". Press release. http://bubl.ac.uk/ARCHIVE/subject/computing/misc/coseup6.htm. Retrieved 2007-11-30.  
  2. ^ AT&T Global Information Systems, Digital Equipment Corporation, Hewlett-Packard Company, IBM Corporation, SunSoft Incorporated, et al. (1994-03-23). "Leading Vendors Unify to Accelerate Open Source". Press release. http://groups.google.com/group/comp.unix.osf.misc/msg/4ebc895ff10823f1. Retrieved 2008-05-15.  
  3. ^ Open Software Foundation (1995-09-07). "OSF Announces Formal Launch of CDE/Motif Project". Press release. http://groups.google.com/group/cu.motif-talk/msg/9935c0cb91e254fd. Retrieved 2008-05-15.  
  4. ^ X/Open Company Ltd. Open Software Foundation (1996-02-14). "X/Open and OSF Join to Create The Open Group". Press release. http://www.rdg.opengroup.org/public/news/feb96/merge.htm. Retrieved 2008-05-16.  
  5. ^ "OpenSolaris Consolidation Information". OpenSolaris Web site. http://www.opensolaris.org/os/about/roadmap/conslist/. Retrieved 2007-12-01.  
  6. ^ Peter Howkins. "Petition to Open Source CDE and Motif". http://www.marutan.net/cde/. Retrieved 2007-11-30.  
  7. ^ "Open Motif Frequently Asked Questions". The Open Group. 2004-07-13. http://www.opengroup.org/openmotif/faq.html. Retrieved 2007-11-30.  

External links


Simple English

Common Desktop Environment

Developer:The Open Group
OS:Unix, OpenVMS
Use: Desktop environment

License:Proprietary
Website: www.opengroup.org/cde

The Common Desktop Environment (CDE) is a desktop environment for Unix. It is based on the Motif widget toolkit. HP uses CDE as the default desktop manager for OpenVMS which belongs to HP. This means it will be run without making any changes.

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