Dynamic unallocation text units

Use verb code 02 and the text unit keys listed in Table 1 and described on the following pages to request dynamic unallocation processing by DYNALLOC. To deallocate a resource, you must specify either the DUNDDNAM key, the DUNDSNAM key, or the DUNPATH key.

Table 1. Verb code 02 (dynamic unallocation) – Text unit keys, mnemonics, and functions

Hex text
unit key

Mnemonic DYNALLOC function
0001 DUNDDNAM Specifies the ddname of the resource to be deallocated.
0002 DUNDSNAM Specifies the data set to be deallocated.
0003 DUNMEMBR Specifies the PDS member to be deallocated.
0005 DUNOVDSP Specifies an overriding disposition for the data set to be unallocated.
0007 DUNUNALC Specifies deallocation even if the resource has the permanently allocated attribute.
0008 DUNREMOV Specifies removal of the “in-use” attribute, even if the resource does not have the permanently allocated attribute.
000A DUNOVSNH Specifies “nohold” status for a deallocated SYSOUT data set and overrides previous “hold” specification.
0018 DUNOVCLS Specifies an overriding SYSOUT class.
0058 DUNOVSUS Specifies an overriding destination to which the SYSOUT data set being deallocated is to be routed.
Note: Keys 0058 and 0063 are equivalent to the JCL DEST= parameter, where DEST=(dunovsus) or DEST=(dunovsus,dunovuid).
0059 DUNOVSHQ Specifies “hold” status for a deallocated SYSOUT data set and overrides previous “nohold” specifications.
0063 DUNOVUID Specifies an overriding destination user ID to which the SYSOUT data set being deallocated is to be routed.
Note: Keys 0058 and 0063 are equivalent to the JCL DEST= parameter, where DEST=(dunovsus) or DEST=(dunovsus,dunovuid).
Start of change0079End of change Start of changeDUNINSDDEnd of change Start of changeSpecifies an insulated DD request.End of change
Start of change007AEnd of change Start of changeDUNNOSECEnd of change Start of changeSpecifies bypass security processing.End of change
8013 DUNSPIN Specifies an overriding decision that determines whether the output for the SYSOUT data set is to be printed immediately, or at the end of the job.
8017 DUNPATH Specifies the pathname of the z/OS® UNIX file to be deallocated.
801A DUNOVPDS Specifies an overriding disposition for the file to be deallocated.