Data security

Macros

Macro	Operands	Brief description
CATAL	BACKUP	Specifies the frequency of automatic saving.
	NUM_OF_BACKUP_VERS	Specifies whether the file is part of the version backup and, if yes, also the maximum number of file versions to be saved in the version backup archive.
COPFILE	REPLACE	Specifies whether an existing file is to be overwritten during copying.
CREPOOL	WROUT	Writes updated blocks in ISAM files back to disk immediately.
FILE	WRCHK	Performs a read-after-write check as a safeguard against recording errors.
	WROUT	Writes updated blocks in ISAM files back to disk immediately.
VERIF		Restores file structures, unlocks files.
WRCPT		Writes a checkpoint / creates a checkpoint file for restart with the RESTART-PROGRAM command.
FCB	EXIT	The address of an exit routine or of an EXLST macro.
	WRCHK	Performs a read-after-write check as a safeguard against recording errors.
EXLST		Defines exit routines for errors and other events.
LFFSNAP		Lists files from a Snapset
LJFSNAP		Lists job variables from a Snapset
RFFSNAP		Restores files from a Snapset
RJFSNAP		Restores job variables from a Snapset

 

Commands

Command	Operands	Brief description
CREATE-FILE CREATE-FILE-GROUP MODIFY-FILE-ATTRIBUTES MODIFY-FILE-GROUP-ATTRIBUTES	BACKUP-CLASS	Specifies the automatic backup frequency.
CREATE-FILE MODIFY-FILE-ATTRIBUTES	NUM-OF-BACKUP-VERS	Specifies whether the file is part of the version backup and, if yes, also the maximum number of file versions to be saved in the version backup archive.
COPY-FILE	REPLACE-OLD-FILES	Specifies whether an existing file is to be overwritten during copying.
CREATE-ISAM-POOL	WRITE-IMMEDIATE	Activates the WROUT function for SCOPE=TASK (updated blocks are written to disk immediately).
	SCOPE=HOST-SYSTEM	Activates the WROUT function implicitly.
ADD-FILE-LINK	SUPPORT=DISK (WRITE-CHECK)	Specifies a read-after-write check to prevent recording errors.
	SUPPORT=DISK( ISAM-ATTR=*PAR( WRITE-IMMEDIATE))	Writes updated records in ISAM files back to disk immediately (for SHARED-UPDATE=*NO)
RESTART-PROGRAM		Restarts an aborted program for which a checkpoint file has been created.
SECURE-RESOURCE-ALLOCATION		Reserves files or data volumes for a user job.
CHECK-FILE- CONSISTENCY REPAIR-DISK-FILE		Recovers file structures.
REMOVE-FILE-ALLOCATION-LOCKS		Unlocks files.
LIST-FILE-FROM-SNAPSET		Lists files from a Snapset
LIST-JV-FROM-SNAPSET		Lists job variables from a Snapset
RESTORE-FILE-FROM-SNAPSET		Restores files from a Snapset
RESTORE-JV-FROM-SNAPSET		Restores job variables from a Snapset