conf, 143
session manager connection string, 119
Unix System V, using runlevels to start or
stop software sets, 28
Unix systems
booting into runlevel, 28
RealVNC and TightVNC, 194
UnixWare systems, switching virtual
terminals, 26
untrusted clients, 23, 186
untrusted magic cookies, 186
generation by OpenSSH, 192
URI for viewing and managing fonts
(GNOME Nautilus), 151
USB connections
keyboards, 13
physical connection, 82
pointing devices, 12
USB mice, 51
user, creating for VNC services, 203
gnuchess, 208
user-space drivers, kernel driver vs. for video
cards, 24
utilities, 95??“111
screensaver and DPMS settings, 108
xdpyinfo (display information), 96
xkill, 105
xmag, 105
xrefresh, 111
xscreensaver, 109
xset, 100??“105
adjusting keyboard repeat rate, 102
adjusting mouse acceleration, 103
controlling the bell, 101
keyboard LEDs, adjusting, 104
xwd (X Window Dump), 107
xwininfo, 97??“100
Index 251
V
Vendor section (xorg.conf), 51
versions
logfile information on X version, 62
version 11 (X Windows), 6
vertical retrace (CRT), 61
VertScrollDelta and HorizScrollDelta
options, 54
VESA (Video Electronics Standard
Association), 17, 54
DDC (Display Data Channel), 59
VGA connections (monitors), 16
vi, running in a terminal window, 117
video cameras
gamma, 138
optical mouse, 12
video cards, 9, 17??“19
association with virtual terminal, 25
driver options, 56
accel option, 57
hw_cursor or sw_cursor, 58
value types, 57
kernel versus user-space drivers, 24
memory, 17
multiple outputs from single card, 77??“79
overlapping Xinerama layout, 74
screen image representation in
framebuffer, 18
video controller, 18
video decompression, 24
video editors, 8
Video Electronics Standard Association (see
VESA)
video graphics array, 16
video modes, 47
testing with hardware configuration, log
file information, 63
video projectors (see projectors)
video signals, timing, 15
video splitters, 60
video streams, 24
video wall, creating, 233??“235
VideoAdaptor section (xorg.
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