The page contains links to articles and coding samples used predominantly, but not exclusively between 2000 and the present time. The main operating systems were z/OS 1.3 through to z/OS 2.5.

The non-mainframe REXX topics originated with the use of IBM's ObjectREXX for Windows product acquired in 2000. IBM donated the product to the Open Source Community in 2005.

REXX was first used in 2000 after the purchase of IBM's OREXX for Windows product.

REXX Topics - z/OS TSO/E biased

Add OMVS Segment to RACF Userids and issue mkdir
Calculate SPACE from BLKSIZE, Block Count & LRECL
Calculate the sum of a numerical sequence
Convert a CSV file to text format
Data Structure support
Display a User's SDSF Settings (SDSF WHO Command)
Estimate record count in a Fixed Length record data set
Executing REXX in Batch using IKJEFT01
Executing REXX in Batch using IRXJCL
File Allocation using BPXWDYN
File Allocation using TSO/E ALLOC
Passing Parameters to/from Assembler Programs
Passing Parameters to/from COBOL Programs
Passing Parameters to/from PLI Programs
Processing a PDS / PDSE Directory

REXX Topics - z/OS TSO/E biased, continued

Unload a PDS / PDSE text library
Putting REXX to Sleep
What products does REXX interface to?
Why is LISTDSI SYSPRIMARY information misleading

REXX Topics - Non-mainframe related

Create and load folders on a PC / Laptop
Which platforms support REXX