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If you log in to the remote host to run clients, you can set the $DISPLAY environment variable to point to your X server so that you do not have to specify your server on the command line every time you run a client.
If you are using csh,
set the $DISPLAY environment variable with the
following command:
setenv DISPLAY displayname
If you are using sh or ksh,
set the $DISPLAY environment variable with the
following command:
DISPLAY=displayname; export DISPLAY
The displayname specification uses the following
form:
[hostname]:display_number[.screen_number]
hostname specifies the machine on which the display is running and must be either a machine name or the machine's network address, as listed in /etc/hosts. If you omit hostname, the display is presumed to be running locally.
:display_number specifies one of the displays on hostname. Each display on a system is assigned a :display_number, beginning with 0. screen_number specifies the screen on which the display is running.
See also: