Explain about LMCOPY -
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1. The LMCOPY service copies members of a partitioned data set, or copies an entire sequential data set.
2. Completion of the LMINIT service is required before you can invoke LMCOPY.
3. You must specify ENQ(MOD) with the LMINIT service if you want to use LMCOPY to append records to the "to-data-id".
4.FROMID and TODATAID can refer to the same data set but they cannot have the same data-id.
5.LMCOPY does not support the copying of unmovable data sets
6.if from-data-id represents an empty sequential data set, LMCOPY performs the copy but sets the return code to 4 as a warning.
>>-ISPEXEC--LMCOPY--FROMID(from-data-id)------------------------>
>--+---------------------------+--TODATAID(to-data-id)---------->
'-FROMMEM(from-member-name)-'
>--+-----------------------+------------------------------------>
'-TOMEM(to-member-name)-'
>--+---------+--+------+--+-------+--+------+------------------->
'-REPLACE-' '-PACK-' '-TRUNC-' '-LOCK-'
.-ALIAS---.
>--+------------------+--+---------+---------------------------><
'-SCLMSET(-+-Y-+-)-' '-NOALIAS-'
'-N-'
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