IBM SC34-5764-01 - Manual (Page 176)

PARSE VERSION
parses information describing the language level and the date of the language processor. This
information consists of five words delimited by blanks:
1. The string REXX370, signifying the 370 implementation.
2. The language level description (for example, 3.48).
3. The language processor release date (for example, 05 April 2000).
PARSE
154 CICS TS for VSE/ESA: REXX Guide