Explain about LMMLIST�list a library's members
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1.The LMMLIST service, when used with the LIST or SAVE option, creates a list of the first occurrence of all the members in an ISPF library,
a concatenated set of ISPF libraries, or an MVS� partitioned data set associated with the given data ID
2.You must complete the LMINIT and LMOPEN services before using LMMLIST. Use the LMMLIST FREE option to release the list storage space when it is not needed.
3.LIST|FREE|SAVE - These options determine the action performed by the LMMLIST service.
a.LIST : The first time that you invoke the LMMLIST service with the LIST option, it creates a member list for use by a dialog.
b.FREE : The FREE option specifies that the storage acquired to create the member list is to be freed.
C.SAVE : The SAVE option writes all member names in a list specified by the data ID to a data set.need use Group and Member for this.
>>-ISPEXEC--LMMLIST--DATAID(data-id)--+--------------------+---->
| .-LIST-. |
'-OPTION(-+-FREE-+-)-'
'-SAVE-'
>--+--------------------+--+------------------+----------------->
'-MEMBER(member-var)-' | .-NO--. |
'-STATS(-+-YES-+-)-'
>--+--------------+--+-------------------------+--+------+-----><
'-GROUP(group)-' '-PATTERN(member-pattern)-' '-LONG-'
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