"SelectionConvert" converts the selected cells into a new format.

Add/Remove Cell Tags opens a dialog box that allows you to add or remove cell tags associated with the selected cell(s).

Check Balance expands the selection to cover the nearest pair of matched bracketing characters.

Check Spelling opens the Check Spelling dialog box and searches for misspelled words.

Style assigns a style to selected cells or text.

Stylesheet assigns a stylesheet to the current notebook.

Version Advisory checks for input from previous versions of Mathematica that should be updated for compatibility with the current version.

monitorlm servername options monitors MathLM running on servername.

AbortProtect[expr] evaluates expr, saving any aborts until the evaluation is complete.

AbsoluteTiming[expr] evaluates expr, returning a list of the absolute number of seconds in real time that have elapsed, together with the result obtained.