The Ultrix Window Manager (uwm) is a historic standard

window manager A window manager is system software that controls the placement and appearance of windows within a windowing system in a graphical user interface. Most window managers are designed to help provide a desktop environment. They work in conjunct ...

software for the

X Window System The X Window System (X11, or simply X) is a windowing system for bitmap displays, common on Unix-like operating systems. X provides the basic framework for a GUI environment: drawing and moving windows on the display device and interacting ...

from X11R1 through X11R3 releases. In fact, it was the only X11-compatible window manager as of X11R1.

History

The Ultrix Window Manager was developed by the

Digital Equipment Corporation Digital Equipment Corporation (DEC ), using the trademark Digital, was a major American company in the computer industry from the 1960s to the 1990s. The company was co-founded by Ken Olsen and Harlan Anderson in 1957. Olsen was president unti ...

for its

Ultrix Ultrix (officially all-caps ULTRIX) is the brand name of Digital Equipment Corporation's (DEC) discontinued native Unix operating systems for the PDP-11, VAX, MicroVAX and DECstations. History The initial development of Unix occurred on DEC equ ...

operating system An operating system (OS) is system software that manages computer hardware, software resources, and provides common daemon (computing), services for computer programs. Time-sharing operating systems scheduler (computing), schedule tasks for ef ...

. It was released in 1985. Shortly thereafter, it became included as part of the base X Window System distribution, beginning with X10R3. Initially, it was distributed alongside two other window managers ( xwm and xnwm). In 1986, the X Window System switched to version 11 of the protocol. Only uwm was ported, so it became the only

for X Window System until X11R4 release, where it was replaced by twm. Uwm has never been maintained since.

Description

Unlike more recent window managers, uwm is not re-parenting, and does not place frames or title bars on windows. Instead, all window management functionality is accessed either by clicking on the root window to bring up a menu or by holding down the

Meta key The Meta key is a modifier key on certain keyboards. It first appeared on the Stanford Artificial Intelligence Lab (SAIL) keyboard in 1970. History The Meta key first appeared on the Stanford Artificial Intelligence Lab (SAIL) keyboard in 19 ...

while clicking or dragging within windows. It is possible to configure the key and mouse button bindings and the contents of the menus by using a configuration file, a feature inherited by many later window managers. Uwm does not provide

ICCCM In computing, the Inter-Client Communication Conventions Manual (ICCCM or I39L short for "I", 39 letters and "L")awm AWM may refer to: *Academies of West Memphis, a public high school in West Memphis, Arkansas * Appliance Wiring Material, covered by UL standard 758 *Apostolic Women's Ministries, an organization that serves the women of the Apostolic Church of Pent ...

and Tekwm (the

Tektronix Tektronix, Inc., historically widely known as Tek, is an American company best known for manufacturing test and measurement devices such as oscilloscopes, logic analyzers, and video and mobile test protocol equipment. Originally an independent ...

Window Manager),Tekwm source code archive as of X11R4
/ref> which also are currently not maintained.

References

External links

uwm source code and binaries
(

MIT The Massachusetts Institute of Technology (MIT) is a private land-grant research university in Cambridge, Massachusetts. Established in 1861, MIT has played a key role in the development of modern technology and science, and is one of the ...

Project Athena Project Athena was a joint project of MIT, Digital Equipment Corporation, and IBM to produce a campus-wide distributed computing environment for educational use. It was launched in 1983, and research and development ran until June 30, 1991. , A ...

) {{XWinSys Free X window managers