z/OS ISPF Services Guide
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Library access services

z/OS ISPF Services Guide
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DSINFO
Returns information about a particular data set in dialog variables in the function pool.
LMCLOSE
Closes a data set.
LMCOMP
Compresses a partitioned data using either the new compress request exit or IEBCOPY if the exit is not installed.
LMCOPY
Copies partitioned data set members or sequential data sets, allowing pack and automatic truncation options.
LMDDISP
Displays the data set list for a specified dslist ID.
LMDFREE
Removes the link between a dslist ID and a DSNAME LEVEL and VOLUME combination.
LMDINIT
Associates a DSNAME LEVEL and VOLUME combination with a dslist ID. Thereafter, this dslist ID is used to identify the DSNAME LEVEL and VOLUME combination for processing by other library access services.
LMDLIST
Creates a data set list for a specified dslist ID.
LMERASE
Deletes an ISPF library or MVS™ data set.
LMFREE
Releases the data set associated with a given data-id.
LMGET
Reads one record of a data set.
LMINIT
Associates one or more ISPF libraries or an existing data set with a data-id. Thereafter, this data-id is used to identify the data set for processing by other library access services.
LMMADD
Adds a member to an ISPF library or a partitioned data set.
LMMDEL
Deletes a member of an ISPF library or a partitioned data set.
LMMDISP
Provides member selection lists for:
  • Single partitioned data sets
  • Concatenations of up to four partitioned data sets.
LMMFIND
Finds a member of an ISPF library or a partitioned data set.
LMMLIST
Creates a member list of an ISPF library or a partitioned data set.
LMMOVE
Moves partitioned data set members or sequential data sets, allowing pack and automatic truncation options.
LMMREN
Renames a member of an ISPF library or a partitioned data set.
LMMREP
Replaces a member of an ISPF library or a partitioned data set.
LMMSTATS
Sets and stores, or deletes ISPF statistics for partitioned data set members that have fixed-length or variable-length records.
LMOPEN
Opens a data set.
LMPRINT
Prints to the list data set, with formatting optional.
LMPUT
Writes one record of a data set.
LMQUERY
Provides requested information regarding the data set associated with a given data-id.
LMRENAME
Renames an ISPF library.
MEMLIST
Enables access to the Library Utility member list from within a dialog.

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