X Version 11 (Release 6.1)
X server resource database utility
xrdb [-display display] [-all]
[-backupstring] [-cpp filename]
[-edit filename] [-help]
[-Idirectory] [-global] [-load]
[-merge] [-n] [-nocpp]
[-screens] [-quiet] [-query]
[-remove] [-retain] [-symbols]
is used to get or set the contents of the RESOURCE_MANAGER property
on the root window of screen 0, or the SCREEN_RESOURCES property on
the root window of any or all screens, or everything combined.
You would normally run this program from your X startup file.
accepts the following options:
specifies the X server to be used; see
-display also specifies the screen
to use for the -screen option,
and it specifies the screen from which preprocessor symbols are
derived for the -global option.
indicates that operation should be performed on the
screen-independent resource property (RESOURCE_MANAGER), as well as
the screen-specific property (SCREEN_RESOURCES) on every screen of the
display. For example, when used in conjunction with -query,
the contents of all properties are output. For
-load, -override and -merge,
the input file is processed once for each screen. The resources that occur
in common in the output for every screen are collected, and these are applied
as the screen-independent resources. The remaining resources are applied
for each individual per-screen property. This the default mode of operation.
specifies a suffix to be appended to the filename used with
to generate a backup file.
specifies the pathname of the C preprocessor program to be used.
was designed to use CPP, any program that acts as a filter
and accepts the -D, -I, and -U options
may be used.
defines symbols for use with conditionals such as #ifdef.
indicates that the contents of the specified properties
should be edited into the given file, replacing any values already listed
there. This allows you to put changes that you have made to your defaults
back into your resource file, preserving any comments or preprocessor lines.
describes the allowable options and parameters.
specifies a directory to search for files that are referenced with
indicates that the operation should only be performed on
the screen-independent RESOURCE_MANAGER property.
indicates that the input should be loaded as the new value
of the specified properties, replacing whatever was there (that is,
the old contents are removed). This is the default action.
indicates that the input should be merged and lexicographically
sorted with, instead of replacing, the current contents of the specified
indicates that changes to the specified properties (when used with
-load, -override or -merge)
or to the resource file (when used with -edit) should be shown on the
standard output, but should not be performed.
indicates that xrdb
should not run the input file through a preprocessor before loading it
indicates that the input should be added to, instead of
replacing, the current contents of the specified properties.
New entries override previous entries.
indicates that the operation should only be performed on
the SCREEN_RESOURCES property of the default screen of the display.
indicates that the operation should be performed on
the SCREEN_RESOURCES property of each screen of the display.
For -load, -override and
-merge, the input file is
processed for each screen.
indicates that warnings about duplicate entries should not be
This option indicates that the current contents of the specified
properties should be printed onto the standard output. Note that since
preprocessor commands in the input resource file are part of the input
file, not part of the property, they will not appear in the output from this
option can be used to merge the contents of properties back into the input
resource file without damaging preprocessor commands.
indicates that the specified properties should be removed
from the server.
indicates that the server should be instructed not to reset if
xrdb is the first client. This should never be necessary under normal
conditions, because xdm and xinit always act as the first
indicates that the symbols that are defined for the preprocessor
should be printed onto the standard output.
removes any definitions of specified symbol.
Most X clients use the RESOURCE_MANAGER and
SCREEN_RESOURCES properties to
get user preferences about
color, fonts, and so on for applications. Having this information in
the server (where it is available to all clients) instead of on disk,
solves the problem in previous versions of X that required you to
maintain defaults files on every machine that you might use.
It also allows for dynamic changing of defaults without editing files.
The RESOURCE_MANAGER property is used for resources that apply to all
screens of the display. The SCREEN_RESOURCES property on each screen
specifies additional (or overriding) resources to be used for that screen.
(When there is only one screen, SCREEN_RESOURCES is normally not used,
all resources are just placed in the RESOURCE_MANAGER property.)
The file specified by
(or the contents from standard input if ``-'' or no filename is given)
is optionally passed through the C preprocessor with the
following symbols defined, based on the capabilities of the server
VNDR_name, and EXT_name
identifiers are formed by changing all characters other than letters
and digits into underscores (_).
the hostname portion of the display to which you are connected
the SERVERHOST hostname string changes to a legal identifier.
For example, ``my-dpy.lcs.mit.edu'' becomes
the same as SERVERHOST
the number of the display on the server host
the name of the host on which xrdb is running.
the CLIENTHOST hostname string changes to a legal identifier.
For example, ``expo.lcs.mit.edu'' becomes
the vendor release number for the server. The interpretation of this
number will vary depending on VENDOR.
the X protocol minor version supported by this server (currently 0)
the X protocol major version supported by this server (should always be 11)
a string literal specifying the vendor of the server
the VENDOR name string turned into a legal identifier.
For example, ``MIT X Consortium'' becomes
defined for each protocol extension supported by the server.
Each extension string name is turned into a legal identifier.
For example, ``X3D-PEX'' becomes ``EXT_X3D_PEX''.
the total number of screens
the number of the current screen (from zero)
the number of significant bits in an RGB color specification.
This is the log base 2 of the number of distinct shades of each primary
that the hardware can generate. Note that it usually is not related to
one of StaticGray, GrayScale, StaticColor,
PseudoColor, TrueColor, DirectColor.
This is the visual class of the root window.
the visual class of the root window in a form you can #ifdef on.
The value is the numeric id of the visual.
defined only if CLASS is one of StaticColor,
PseudoColor, TrueColor, or DirectColor
defined for each visual supported for the screen.
The symbol includes the class of the visual and its depth;
the value is the numeric id of the visual.
the height of the root window in pixels
the width of the root window in pixels
the number of bit planes (the depth) of the root window
the x resolution of the screen in pixels per meter
the y resolution of the screen in pixels per meter
Lines that begin with an exclamation mark (!) are ignored and may
be used as comments.
can read from standard input, it can be used to
change the contents of properties directly from
a terminal or from a shell script.
default host and display number
The default for no arguments should be to query, not to overwrite, so that
it is consistent with other programs.
X3xlib Resource Manager documentation,
X3xt resource documentation
© 2004 The SCO Group, Inc. All rights reserved.
UnixWare 7 Release 7.1.4 - 25 April 2004