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From: klee@wsl.dec.com (Ken Lee)
Newsgroups: comp.windows.x
Subject: Re: internet address as DISPLAY host field on local machine
Message-ID: <2969@bacchus.dec.com>
Date: 6 Mar 90 17:45:15 GMT
References: <ROSEN.90Mar5220252@cochlea.bu.edu>
Sender: news@decwrl.dec.com
Reply-To: klee@decwrl.dec.com
Distribution: comp
Organization: DEC Western Software Laboratory
Lines: 20

In article <ROSEN.90Mar5220252@cochlea.bu.edu>, rosen@cochlea.bu.edu
(David B. Rosen) writes:
> Is it *better* to use `:0.0' than `myws:0.0' as
> the DISPLAY varible value for the local display on myws?
> 
> Another question: what is the difference between using `unix:0.0' and
> simply `:0.0'. Is the latter faster?

These are all Xlib conventions.  You should probably check your Xlib to
see what it supports.  On most machines, host:0 uses a TCP connection,
host::0 uses a DECnet connection, unix:0 uses a UNIX domain socket, and
:0 uses whatever Xlib thinks is fastest.  In the MIT sample Xlib, :0 is
probably the same as unix:0.  Some vendor Xlib's may use something
shared memory for :0 and/or support other protocols.  This is all
discussed in Section 2.1 of MIT's Xlib manual.

Ken Lee
DEC Western Software Laboratory, Palo Alto, Calif.
Internet: klee@wsl.dec.com
uucp: uunet!decwrl!klee