on headings

Cmd When Applied To Object Action
? DDName>Cyl, Unit–Dev>DD, Percent Time Display context help information.
+ DDName>Cyl Expand to reveal all entries.
+ Volume>Unit Expand field size.
+ Percent Time Zoom in scale.
DDName>Cyl Collapse to show only first level.
Volume>Unit Reduce field size.
Percent Time Zoom out scale.
SV DDName>Cyl Sort next level by value.
SN DDName>Cyl Sort next level by name.