Using the Graphical help reader in IRAF
October 15th, 2004 by Marcos
Many people still type “help display” or what have you when they are trying to get info on an iraf package. There is a much better way in the latest versions of IRAF. Instead of help do this:
help dev=gui
The dev=gui line is key, which opens up the help browser. You must be running IRAF in an xgterm for this to work. You can also type help dev=gui taskname and get help on a specific task or package.
You can also do an epar help and set the default behavior of device to gui so that you don’t have to type dev=gui ever again.
Once you use the graphical help browser you won’t go back. I often keep an instance of IRAF running that is always running xhelp, so I can read the documentation while I’m fiddling with parameters and such.
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