Java, 37
JFILE keyword, 507
JFLD keyword, 507
*JIS, 190, 191, 298, 307, 572, 574
*JOB, 190, 191, 572, 574
*JOBRUN, 190, 191, 298, 307, 366
JOIN keyword, 507
join logical files, 497, 506–508, 508
JREF keyword, 507
*JUL, 190, 298, 307, 572