The K Desktop Environment

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15. Not really KDE-related, but frequently asked nevertheless :-)

15.1 How do I change the color depth?

AFAIK, there's no way you can do it on the fly. You can either start X using:

startx -- -bpp ??
where ?? can be 8, 16, 24 or 32 depending on the depth you want, or if you're using xdm/kdm, you'd have to edit /etc/X11/xdm/Xservers (may vary) by putting:
:0 local /usr/X11R6/bin/X -bpp 16
for color depth 16.

Alternatively, you can edit the XF86Config file and add a line like

DefaultColorDepth     ??
to Section "Screen". The next time you start X, it will run with the newly-configured color depth.

15.2 What can I do if I'm using a 2-button mouse?

Go buy a 3-button one, or use 3rd button emulation. The 3rd button is emulated by pressing both left and right buttons together. You might need to enable "Emulate3Buttons" in your XF86Config file.

15.3 What is a "sticky" window?

In a virtual desktop environment with multiple virtual desktops, a "sticky" window will stay put on the screen when you switch between desktops, as if sticking to the glass of the screen. xclock is a typical candidate for sticking, as you need to run only one instance of it, and it always stays with you.

15.4 How do I replace the "X" mouse pointer with an arrow?

The various types of cursor available in X are defined in cursorfont.h. You can change it using 'xsetroot -cursor_name NAME_OF_CURSOR'. For example, I have the following in my $HOME/.Xclients:

xsetroot -cursor_name left_ptr

Please "man xsetroot" for more information.

15.5 How do I extract/install diff files?

To generate a context-diff suitable for patching, use:

diff old-file new-file > patchfile

To apply the diff to a file ("patch the file"), execute:

patch < patchfile

15.6 Should I upgrade to 2.2 kernel?

It depends. If the 2.2.x kernel provides something you really want or need that your current kernel does not, then you should upgrade.

15.7 What do all those acronyms like AFAIK mean?

AFAIK: as far as I know
BTW: by the way
FWIW: for what it's worth
CMIIW: correct me if I am wrong
IMHO: in my humble opinion
IMAHO: in my always humble opinion
FUD: fear, uncertainty and doubt
BFN: bye for now
AISE: as I see it
AAMOF: as a matter of fact
BION: believe it or not
FYI: for your information
MYOB: mind your own business
SOP: standard operating procedure
RTFM: read the fine manual
YMMV: your mileage may vary
TIA: thanks in advance
HTH: hope this helps
IIRC: if I recall correctly

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