Main Window
Save on Execute - Automatically save the file or buffer prior to executing a script.
Save all on exit - Automatically save any files when Maya is closed.
Override Script Editor Button - When enabled, the Script Editor button, on the main Maya interface, will launch Charcoal Editor 2.
Display confirmation dialog when closing an internal buffer - Displays confirmation warning when a temporary buffer is closed.
Display unsaved files dialog when closing Maya - Displays an unsaved files warning when closing Maya (if automatic saves are disabled).
Tool Bar
Show Tab Bar - Toggle the display of the tab bar.
Show close button on each tab - Toggle the display of the close button on each tab.
Show mini toolbar - Display a collection of buttons for executing scripts on the tab bar.
Lock tabs - When enabled, the tabs on the tab bar cannot be dragged to different positions.