Kednos PL/I for OpenVMS Systems
User Manual

Chapter 7
7	Options of the ENVIRONMENT Attribute
7.1	Specifying and Using ENVIRONMENT Options
7.1.1	Arguments for ENVIRONMENT Options
7.1.1.1	Expressions
7.1.1.2	Variable References
7.1.1.3	Boolean Values
7.1.2	Interpretation of ENVIRONMENT Options for Existing Files
7.1.3	Determining ENVIRONMENT Options
7.1.4	Device Independence of ENVIRONMENT Options
7.1.5	Conflicting and Invalid ENVIRONMENT Options
7.2	Summary of ENVIRONMENT Options
7.2.1	APPEND Option
7.2.2	BACKUP_DATE Option
7.2.3	BATCH Option
7.2.4	BLOCK_BOUNDARY_FORMAT Option
7.2.5	BLOCK_IO Option
7.2.6	BLOCK_SIZE Option
7.2.7	BUCKET_SIZE Option
7.2.8	CARRIAGE_RETURN_FORMAT Option
7.2.9	CONTIGUOUS Option
7.2.10	CONTIGUOUS_BEST_TRY Option
7.2.11	CREATION_DATE Option
7.2.12	CURRENT_POSITION Option
7.2.13	DEFAULT_FILE_NAME Option
7.2.14	DEFERRED_WRITE Option
7.2.15	DELETE Option
7.2.16	EXPIRATION_DATE Option
7.2.17	EXTENSION_SIZE Option
7.2.18	FILE_ID Option
7.2.19	FILE_ID_TO Option
7.2.20	FILE_SIZE Option
7.2.21	FIXED_CONTROL_SIZE Option
7.2.22	FIXED_CONTROL_SIZE_TO Option
7.2.23	FIXED_LENGTH_RECORDS Option
7.2.24	GROUP_PROTECTION Option
7.2.25	IGNORE_LINE_MARKS Option
7.2.26	INDEX_NUMBER Option
7.2.27	INDEXED Option
7.2.28	INITIAL_FILL Option
7.2.29	MAXIMUM_RECORD_NUMBER Option
7.2.30	MAXIMUM_RECORD_SIZE Option
7.2.31	MULTIBLOCK_COUNT Option
7.2.32	MULTIBUFFER_COUNT Option
7.2.33	NO_SHARE Option
7.2.34	OWNER_GROUP Option
7.2.35	OWNER_ID Option
7.2.36	OWNER_MEMBER Option
7.2.37	OWNER_PROTECTION Option
7.2.38	PRINTER_FORMAT Option
7.2.39	READ_AHEAD Option
7.2.40	READ_CHECK Option
7.2.41	RECORD_ID_ACCESS Option
7.2.42	RETRIEVAL_POINTERS Option
7.2.43	REVISION_DATE Option
7.2.44	REWIND_ON_CLOSE Option
7.2.45	REWIND_ON_OPEN Option
7.2.46	SCALARVARYING Option
7.2.47	SHARED_READ Option
7.2.48	SHARED_WRITE Option
7.2.49	SPOOL Option
7.2.50	SUPERSEDE Option
7.2.51	SYSTEM_PROTECTION Option
7.2.52	TEMPORARY Option
7.2.53	TRUNCATE Option
7.2.54	USER_OPEN Option
7.2.55	WORLD_PROTECTION Option
7.2.56	WRITE_BEHIND Option
7.2.57	WRITE_CHECK Option
7.3	ENVIRONMENT Options for File Protection and File Sharing
7.3.1	File Protection
7.3.1.1	Defining a File's Ownership
7.3.1.2	Defining a File's Protection
7.3.2	File Sharing
7.3.2.1	Specifying File Sharing
7.3.2.2	File Locking
7.3.2.3	Record Locking
7.3.2.4	Examples of File Sharing
7.4	ENVIRONMENT Options for I/O Optimization
Chapter 8
8	Input/Output Statement Options
8.1	Option Format
8.2	Summary of Input/Output Statement Options
8.2.1	CANCEL_CONTROL_O Option
8.2.2	FAST_DELETE Option
8.2.3	FIXED_CONTROL_FROM Option
8.2.4	FIXED_CONTROL_TO Option
8.2.5	INDEX_NUMBER Option
8.2.6	LOCK_ON_READ Option
8.2.7	LOCK_ON_WRITE Option
8.2.8	MANUAL_UNLOCKING Option
8.2.9	MATCH_NEXT Option
8.2.10	MATCH_NEXT_EQUAL Option
8.2.11	NO_ECHO Option
8.2.12	NO_FILTER Option
8.2.13	NOLOCK Option
8.2.14	NONEXISTENT_RECORD Option
8.2.15	PROMPT Option
8.2.16	PURGE_TYPE_AHEAD Option
8.2.17	READ_REGARDLESS Option
8.2.18	RECORD_ID Option
8.2.19	RECORD_ID_TO Option
8.2.20	TIMEOUT_PERIOD Option
8.2.21	WAIT_FOR_RECORD Option