G

gamma
gauss
geometryConstraint
geomToBBox
getAllChains 
getApplicationVersionAsFloat 
getAttr
getChain 
getClassification
getCurrentContainer 
getDefaultBrush
getenv
getFileList
getFluidAttr
getInputDeviceRange
getLastError
getMayaPanelTypes 
getMetadata
getModifiers
getModulePath
getNextFreeMultiIndex 
getNextFreeMultiIndexForSource 
getPanel
getParticleAttr
getpid
getPluginResource 
getProcArguments
getRenderDependencies
getRenderTasks
getSelectedNObjs 
globalStitch
glRender
glRenderEditor
gmatch
goal
gotoBindPose 
grabColor
gradientControl
gradientControlNoAttr
graphDollyCtx
graphSelectContext
graphTrackCtx
gravity
grid
gridLayout
group
groupObjectsByName 

indicates a MEL script