We have the following:

/etc/hosts:
hostname 147.145.45.49

In csh on a Sun4 client we do setenv DISPLAY hostname:0

When running dsm we get a
"Can't Open Display" message.

In csh we do setenv DISPLAY 147.145.45.49:0

When running dsm the display opens fine.


Any ideas?  Not an urgent problem, however we would like to know why
the name works some of the time and why it requires the address at
other times.

Thank you.

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