Search a z/OS release's publications for Module Search Order and you will find this match:
https://www.ibm.com/docs/en/zos/2.5.0?topic=lla-module-search-order As with many things, there are techniques and subtleties that can affect what happens. For example, you can bypass the search of tasklib(s),steplib/joblib by specifying the DCB of the LNKLST. Some system code does this. Various considerations apply when considering whether an already-loaded module of the right name can be used for a subsequent request, including authorization and reentrancy (or lack thereof). <snip> Does reaching TCBJSTCB stop the search of the JLBs? </snip> Yes. Peter Relson z/OS Core Technology Design ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
