Assuming you have properly installed FIREHOSE and its dependent packages, you are ready to start.
First, you should prepare your data by copying all raw files into a directory named "Raw" (if you prefer you can change this later, but firehose uses this as a default). Create a second directory named "redux" in the same parent directory as Raw and "cd" into the redux directory. From there, start an idl session and type "firehose" to bring up the GUI.
unix> mkdir Raw
unix> cp <path>/fire*.fits Raw
unix> mkdir redux
unix> cd redux
unix> idl
IDL> firehose
You should see the following GUI on successful startup:
