isCOBOL Evolve : Language Reference : Data Division : Screen Description : UPPER and LOWER clauses
UPPER and LOWER clauses
The UPPER and LOWER clauses cause the content of the screen item for which they are specified to be converted to upper-case or to lower-case, respectively.
General format
{UPPER}
{LOWER}
Syntax rules
1. The UPPER or LOWER clause may be specified only for a screen description entry whose category is alphabetic, alphanumeric, or national.