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40 forward X-connections backwards.
51 enables forwarding of X-connections from this machine to host
55 is given, that port will be used instead of the default.
57 The supported options are:
60 Log in on the remote host as user
70 (where your display is),
71 you might do the following.
78 You will get a new shell where you will be able to start X clients
79 that will show their windows on
83 It currently checks if you have permission to run it by checking if