Generic: 
      gdisplay - Display (raw) GMOS images
      gprepare - Prepare raw GMOS data for reductions
         gbias - Process and combine GMOS bias images
          gbpm - Derive bad pixel mask for GMOS 
         gdark - Process and combine GMOS dark images (NOT RELEASED)
       gmosaic - Mosaic the 3 GMOS CCDs into one image 
         ggain - Correct gain and read-noise for GMOS images (hidden task)
    ggdbhelper - Select gain database file for image (hidden task)

Imaging: 
        giflat - Derive flat field for GMOS images (IMAGING mode only)
       giillum - Derive illumination correction for GMOS images  (NOT RELEASED)
      gifringe - Derive fringe frame for GMOS images
    girmfringe - Subtract fringe frame from GMOS images
      gireduce - Reduce images from GMOS (overscan, trim, bias, dark, flat) 

Spectroscopy: 
     gsappwave - Add approximate wavelength calibration to the headers of 
                   GMOS spectra 
   gscalibrate - Apply flux calibration and extinction correction to 
                   GMOS spectra
       gscrrej - Clean spectroscopic data for cosmic ray hits 
      gscrmask - Make mask file for gscrrej (hidden task)
         gscut - Cut GMOS MOS spectra into 2D pieces
   gsdrawslits - Draw slits from MDF on a GMOS image
     gsextract - Extract GMOS MOS or longslit spectra to 1D
        gsflat - Derive flat field for GMOS spectra based on GCAL lamp exposures
      gsreduce - Reduce spectra from GMOS (overscan, trim, bias, dark, mosaic, 
                   flat, approximate wavelength calibration, cut MOS data) 
      gsskysub - Skysubtract GMOS spectra (longslit or MOS)
       gssdist - Establish S-distortion for GMOS spectra  (NOT RELEASED)
gsslitfunction - Establish the slit function for GMOS based on sky flats (NOT RELEASED)
    gsstandard - Establish spectrophotometric calibration for GMOS spectra 
    gstelluric - Correct GMOS spectra for telluric lines (NOT RELEASED)
   gstransform - Rectify and/or wavelength calibrate GMOS spectra
  gswavelength - Establish wavelength calibration for GMOS spectra 
     gnsskysub - Nod-and-Shuffle shift and sky-subtraction of GMOS spectra
    gnscombine - Combine Nod-and-Shuffle GMOS data frames into a master frame
       gnsdark - Process and combine Nod-and-Shuffle GMOS dark images
      mostools - Package for GMOS mask preparation

Spectroscopy: Special tasks for IFU data: 
       gfquick - Quick reconstruction of GMOS IFU images of acquisition
       gfapsum - Combine GMOS IFU spectra over a spatial region
     gfcombine - Combine GMOS IFU spectra aperture by aperture (NOT RELEASED)
        gfcopy - Copy GMOS IFU spectra into new data cube (NOT RELEASED)
        gfcube - Resample extracted IFU spectra onto an x-y-lambda datacube
     gfdisplay - Reconstruct, display and analyse extracted GMOS IFU spectra 
                   (uses ldisplay)
     gfextract - Extract GMOS IFU spectra with optional correction for 
                   lenselet/fiber throughput
        gfflat - Derive flat field for GMOS IFU spectra based on GCAL lamp exposures (NOT RELEASED)
      gfmosaic - Mosaic GMOS IFU data cubes (NOT RELEASED)
      gfreduce - Apply processing steps to GMOS IFU data
    gfresponse - Derive relative fiber throughputs for the GMOS IFU 
      gfskysub - Skysubtract GMOS IFU spectra 
   gftransform - Wavelength calibrate GMOS IFU spectra

Cookbooks:
      gmosinfo - Generic tasks and general information about GMOS
  gmosinfoimag - Reduction of imaging data from GMOS
  gmosinfospec - Reduction of longslit and MOS data from GMOS
   gmosinfoifu - Reduction of IFU data from GMOS
  gmosexamples - Print reduction examples to the screen