From DOS/Windows to Linux HOWTO : What About Windows?
6. What About Windows?The ``equivalent'' of Windows is the graphic system X Window System, or X11
for short. Unlike Windows or the Mac, X11 wasn't designed for ease of use or
to look good, but just to provide graphic facilities to UNIX workstations.
These are the main differences:while Windows looks and feels the same all over the world, X11
does not: it's much more configurable. X11's overall look is given by a key
component called ``window manager'', of which you have a wide choice: fvwm, basic but nice and memory efficient, fvwm2-95,
Afterstep, and many more. The w.m. is usually invoked by a file called
.xinitrc;your w.m. can be configured so as a window acts as in, er,
Windows: you click on it and it comes to foreground. Another possibility is
that it comes to foreground when the mouse moves over it (``focus''). Also,
the placement of windows on the screen can be automatic or interactive: if a
strange frame appears instead of your program, left click where you want
it to appear;most actions can be tailored editing one or more
configuration files. Read the docs of your window manager; the configuration
file can be .fvwmrc, .fvwm2rc95, .steprc, etc. A sample
configuration file is typically found in
/etc/X11/window-manager-name/system.window-manager-name;X11 applications are written using special libraries (``widget sets'');
as several are available, applications look different. The most basic ones
are those that use the Athena widgets (2--D look; xdvi, xman,
xcalc); others use Motif (netscape), others still use Tcl/Tk,
XForms, Qt, Gtk, and what have you. Some---not all---of these libraries
provide roughly the same look and feel as Windows;well, not quite. The feel, unfortunately, can be incoherent. For
instance, if you select a line of text using the mouse and press
<BACKSPACE>, you'd expect the line to disappear, right? This doesn't
work with Athena--based apps, but it does with Motif, Qt, Gtk, and Tcl/Tk
ones;how the scrollbars and resizing work depends on the window manager
and the widget set. Tip: if you find that the scrollbars don't behave as
you would expect, try using the central button or the two buttons together
to move them;applications don't have an icon by default, but they can have many.
Most window managers feature a menu you recall by clicking on the desktop
(``root window''); needless to say, the menu can be tailored. To
change the root window appearance, use xsetroot or xloadimage;the clipboard can only contain text, and behaves strange. Once you've
selected text, it's already copied to the clipboard: move elsewhere and
press the central button to paste it. There's an application, xclipboard, that provides for multiple clipboard buffers;drag and drop is an option, and is only available if you use X11
applications that support it.To save memory, one should use applications that use the same libraries,
but this is difficult to do in practice.The K Desktop Environment project aims at making X11 look and behave as
coherently as Windows; it's currently in early beta stage but, believe me,
it's awesome. Point your browser to http://www.kde.org.
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