-u <username>
Username for authentication on the server.
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-d <domain>
Domain for authentication.
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-s <shell>
Startup shell for the user - starts a specific application instead of Explorer.
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-c <directory>
The initial working directory for the user. Often used in combination with -s to set up a fixed
login environment.
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-p <password>
The password to authenticate with. Note that this may have no effect if "Always prompt for
password" is enabled on the server. WARNING: if you specify a password on the command line it may
be visible to other users when they use tools like ps. Use -p - to make rdesktop request a
password at startup (from standard input).
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-n <hostname>
Client hostname. Normally rdesktop automatically obtains the hostname of the client.
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-k <keyboard-map>
Keyboard layout to emulate. This requires a corresponding keymap file to be installed. The
standard keymaps provided with rdesktop follow the RFC1766 naming scheme: a language code followed
by a country code if necessary - e.g. en-us, en-gb, de, fr, sv, etc.
The default keyboard map depends on the current locale (LC_* and LANG environment variables). If
the current locale is unknown, the default keyboard map is en-us (a US English keyboard).
The keyboard maps are file names, which means that they are case sensitive. The standard keymaps
are all in lowercase.
The keyboard maps are searched relative to the directories $HOME/.rdesktop/keymaps, KEYMAP_PATH
(specified at build time), and $CWD/keymaps, in this order. The keyboard-map argument can also be
an absolute filename.
The special value `none' can be used instead of a keyboard map. In this case, rdesktop will guess
the scancodes from the X11 event key codes using an internal mapping method. This method only
supports the basic alphanumeric keys and may not work properly on all platforms so its use is
discouraged.
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-g <geometry>
Desktop geometry (WxH). If geometry is the special word "workarea", the geometry will be fetched
from the extended window manager hints property _NET_WORKAREA, from the root window. The geometry
can also be specified as a percentage of the whole screen, e.g. "-g 80%".
If the specified geometry depends on the screen size, and the screen size is changed, rdesktop
will automatically reconnect using the new screen size. This requires that rdesktop has been
compiled with RandR support.
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-f Enable fullscreen mode. This overrides the window manager and causes the rdesktop window to fully
cover the current screen. Fullscreen mode can be toggled at any time using Ctrl-Alt-Enter.
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-b Force the server to send screen updates as bitmaps rather than using higher-level drawing
operations.
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-A Enable SeamlessRDP. In this mode, rdesktop creates a X11 window for each window on the server
side. This mode requires the SeamlessRDP server side component, which is available from
http://www.cendio.com/seamlessrdp/. When using this option, you should specify a startup shell
which launches the desired application through SeamlessRDP.
Example: rdesktop -A -s 'seamlessrdpshell notepad'.
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-B Use the BackingStore of the Xserver instead of the integrated one in rdesktop.
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-e Disable encryption. This option is only needed (and will only work) if you have a French version
of NT TSE.
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-E Disable encryption from client to server. This sends an encrypted login packet, but everything
after this is unencrypted (including interactive logins).
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-m Do not send mouse motion events. This saves bandwidth, although some Windows applications may
rely on receiving mouse motion.
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-C Use private colourmap. This will improve colour accuracy on an 8-bit display, but rdesktop will
appear in false colour when not focused.
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-D Hide window manager decorations, by using MWM hints.
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-K Do not override window manager key bindings. By default rdesktop attempts to grab all keyboard
input when it is in focus.
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-S <button size>
Enable single application mode. This option can be used when running a single, maximized
application (via -s). When the minimize button of the windows application is pressed, the rdesktop
window is minimized instead of the remote application. The maximize/restore button is disabled.
For this to work, you must specify the correct button size, in pixels. The special word "standard"
means 18 pixels.
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-T <title>
Sets the window title. The title must be specified using an UTF-8 string.
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-N Enable numlock syncronization between the Xserver and the remote RDP session. This is useful with
applications that looks at the numlock state, but might cause problems with some Xservers like
Xvnc.
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-X <windowid>
Embed rdesktop-window in another window. The windowid is expected to be decimal or hexadecimal
(prefixed by 0x).
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-a <bpp>
Sets the colour depth for the connection (8, 15, 16 or 24). More than 8 bpp are only supported
when connecting to Windows XP (up to 16 bpp) or newer. Note that the colour depth may also be
limited by the server configuration. The default value is the depth of the root window.
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-z Enable compression of the RDP datastream.
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-x <experience>
Changes default bandwidth performance behaviour for RDP5. By default only theming is enabled, and
all other options are disabled (corresponding to modem (56 Kbps)). Setting experience to
b[roadband] enables menu animations and full window dragging. Setting experience to l[an] will
also enable the desktop wallpaper. Setting experience to m[odem] disables all (including themes).
Experience can also be a hexidecimal number containing the flags.
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-P Enable caching of bitmaps to disk (persistent bitmap caching). This generally improves performance
(especially on low bandwidth connections) and reduces network traffic at the cost of slightly
longer startup and some disk space. (10MB for 8-bit colour, 20MB for 15/16-bit colour and 30MB
for 24-bit colour sessions)
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-r <device>
Enable redirection of the specified device on the client, such that it appears on the server. Note
that the allowed redirections may be restricted by the server configuration.
Following devices are currently supported:
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-r comport:<comport>=<device>,...
Redirects serial devices on your client to the server. Note that if you need to change any
settings on the serial device(s), do so with an appropriate tool before starting rdesktop. In most
OSes you would use stty. Bidirectional/Read support requires Windows XP or newer. In Windows 2000
it will create a port, but it's not seamless, most shell programs will not work with it.
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-r disk:<sharename>=<path>,...
Redirects a path to the share \\tsclient\<sharename> on the server (requires Windows XP or newer).
The share name is limited to 8 characters.
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-r lptport:<lptport>=<device>,...
Redirects parallel devices on your client to the server. Bidirectional/Read support requires
Windows XP or newer. In Windows 2000 it will create a port, but it's not seamless, most shell
programs will not work with it.
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-r printer:<printername>[=<driver>],...
Redirects a printer queue on the client to the server. The <printername> is the name of the queue
in your local system. <driver> defaults to a simple PS-driver unless you specify one. Keep in mind
that you need a 100% match in the server environment, or the driver will fail. The first printer
on the command line will be set as your default printer.
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-r sound:[local|off|remote]
Redirects sound generated on the server to the client. "remote" only has any effect when you
connect to the console with the -0 option. (Requires Windows XP or newer).
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-r lspci
Activates the lspci channel, which allows the server to enumerate the clients PCI devices. See the
file lspci-channel.txt in the documentation for more information.
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-r scard[:<Scard Name>=<Alias Name>[;<Vendor Name>][,...]]
Enables redirection of one or more smart-cards. You can provide static name binding between linux
and windows. To do this you can use optional parameters as described: <Scard Name> - device name
in Linux/Unix enviroment, <Alias Name> - device name shown in Windows enviroment <Vendor Name> -
optional device vendor name. For list of examples run rdesktop without parameters.
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-r clipboard:[off|PRIMARYCLIPBOARD|CLIPBOARD]
Enable clipboard redirection. 'PRIMARYCLIPBOARD' looks at both PRIMARY and CLIPBOARD when sending
data to server. 'CLIPBOARD' looks at only CLIPBOARD.
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-0 Attach to the console of the server (requires Windows Server 2003 or newer).
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-4 Use RDP version 4.
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-5 Use RDP version 5 (default).
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