System

Files

File, image, directory handling
attrCompatibility
basename 
chdir
cmdFileOutput
convertFromOldLayers 
dirmap
dirname 
exec
fclose
feof
fflush
fgetline
fgetword
file
fileBrowserDialog
fileDialog
fileExtension 
fileInfo
filetest
filterStudioImport
finder
fopen
fprint
fread
frewind
fromNativePath 
fwrite
getFileList
imfPlugins
internalVar
launch
launchImageEditor
namespace
namespaceInfo
pclose
popen
preloadRefEd
projFileViewer
pwd
reference
referenceEdit
referenceQuery
reloadImage
requires
saveImage
sceneEditor
sceneUIReplacement
scriptNode
searchPathArray 
selLoadSettings
setProject 
sysFile
toNativePath 
translator
untitledFileName 
workspace
xbmLangPathList 

Devices

Device Handling
assignInputDevice
attachDeviceAttr
detachDeviceAttr
deviceEditor
devicePanel
getInputDeviceRange
getModifiers
listDeviceAttachments
listInputDeviceAxes
listInputDeviceButtons
listInputDevices
mouse
recordAttr
setAttrMapping
setInputDeviceMapping
unassignInputDevice

Plug-ins

Plug-in Handling
getPluginResource 
loadPlugin
loadPluginLanguageResources 
openMayaPref
pluginInfo
pluginResourceUtil 
registerPluginResource 
setPluginResource 
unloadPlugin

Localization

Localization Support
containsMultibyte 
displayString
format
getPluginResource 
loadPluginLanguageResources 
localizedPanelLabel 
localizedUIComponentLabel 
pluginResourceUtil 
registerPluginResource 
setAttrEnumResource 
setAttrNiceNameResource 
setNodeNiceNameResource 
setPluginResource 
uiRes 
untitledFileName 

Utilities

Miscellaneous Utilities
alias
cacheFile
cacheFileCombine
cacheFileMerge
cacheFileTrack
clearCache
convertUnit
date
dgdirty
dgeval
dgInfo
dgtimer
diskCache
dynamicLoad
env
fcheck
flushUndo
getenv
getpid
hardware
help
hitTest
memory
openGLExtension
putenv
redo
rehash
showHelp
system
timerX
undo
undoInfo
xpmPicker