UNIX: common name of a class of multi tasking, multi user operating
systems, which are strongly related, but differ in many details.
- HP-UX (Hewlett-Packard), Solaris (Sun), AIX (IBM), IRIX (SGI), Linux (on
- UNIX was mainly used on servers and on special workstations. With the large
spreading of LINUX, a free UNIX variant, it is becoming important for PCs as
- For UNIX systems exist several different GUIs. The most important one on
commercial systems (e.g. on HP-UX and Solaris) is CDE (``Common Desktop
Environment''). The common KDE for LINUX combines elements from CDE and
- A special feature of CDE is the possibility to arrange windows on several
screens (``desktops''). A special desktop switch allows to change quickly
- Basic part of CDE is the front panel, usually at the lower side. It contains
the desktop switch, the trash, buttons to start some basic tools like the
file manager, the calculator or the online help, and menues to start all
- Like in Windows on can place frequently used applications and documents on
the desktop for quick access.
- Windows can be reduced to small icons - without stopping the running
application - to avoid a cluttering of the desktop . Double clicking on such
an icon restores the original window. For convenience these icons are
combined in a special window, the ``icon box''.
Peter Junglas 8.3.2000