I get an error message when I try to use splot or implot
"ERROR: No entry in device capability file (xgterm)".
I'm using pc-iraf revision 2.13 with Ubuntu 8.04 Linux.
I've been using IRAF on this HP laptop for 2 years without
any problems. I didn't intentionally make any changes to
IRAF except installing Ubuntu updates and my login.cl and
graphcap files look OK.

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Lew

The default terminal type is set in your login.cl and created when you first do a MKIRAF, you might try rerunning the MKIRAF to reset the terminal type. Otherwise, you see that message when the graphics device being opened doesn't exist, e.g. the SPLOT 'device' parameter names a device that doesn't exist, or the 'graphcap' environment variable names a file other than 'dev$graphcap'. A MKIRAF can also reinitialize your uparm directory in case parameters were somehow reset, do a "show graphcap" to see what file is being used and verify there is an xgterm entry in there.-Mike

I checked all of your suggestions.
There was a "stty xgterm" in login.cl
'graphcap' points to the correct location
show graphcap yields ~/iraf/dev/graphcap
There is a graphcap file in dev
There is an xgterm entry in graphcap
splot has an entry graphic = stdgraph
show stdgraph yields xgterm
I still got the same error message.I then ran mkiraf as suggested but splot gives
the same error message.

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Lew