Ada Programming/Libraries/Ada.Text IO.Unbounded IO

is a unit of the Predefined Language Environment since Ada 2005.

Specification
Put File  File_Type Item  StringsUnboundedUnbounded_String Put Item  StringsUnboundedUnbounded_String Put_Line File  File_Type Item  StringsUnboundedUnbounded_String Put_Line Item  StringsUnboundedUnbounded_String Get_Line File  File_Type StringsUnboundedUnbounded_String Get_Line StringsUnboundedUnbounded_String Get_Line File  File_Type Item   StringsUnboundedUnbounded_String Get_Line Item  StringsUnboundedUnbounded_String AdaText_IOUnbounded_IO

Wikibook

 * Ada Programming/Libraries/Ada
 * Ada Programming/Strings