COBOL Reserved Words

The following are reserved words in one or more of the many different versions of COBOL. Where a given entry is not a reserved word in your particular version of COBOL it is still best avoided in order to make the code as portable as possible.

  • ACCEPT
  • ACCESS
  • ADD
  • ADDRESS
  • ADVANCING
  • AFTER
  • ALL
  • ALLOWING
  • ALPHABET
  • ALPHABETIC
  • ALPHABETIC-LOWER
  • ALPHABETIC-UPPER
  • ALPHANUMERIC
  • ALPHANUMERIC-EDITED
  • ALSO
  • ALTER
  • ALTERNATE
  • AND
  • ANY
  • APPLY
  • ARE
  • AREA
  • AREAS
  • ARITHMETIC
  • ASCENDING
  • ASSIGN
  • AT
  • AUTHOR
  • AUTOMATIC
  • B-AND
  • B-EXOR
  • B-LESS
  • B-NOT
  • B-OR
  • BASIS
  • BEFORE
  • BEGINNING
  • BINARY
  • BIT
  • BITS
  • BLANK
  • BLOCK
  • BOOLEAN
  • BOTTOM
  • BY
  • CALL
  • CANCEL
  • CBL
  • CD
  • CF
  • CH
  • CHARACTER
  • CHARACTERS
  • CLASS
  • CLASS-ID
  • CLOCK-UNITS
  • CLOSE
  • COBOL
  • CODE
  • CODE-SET
  • COLLATING
  • COLUMN
  • COM-REG
  • COMMA
  • COMMIT
  • COMMON
  • COMMUNICATION
  • COMP
  • COMP-1
  • COMP-2
  • COMP-3
  • COMP-4
  • COMP-5
  • COMP-6
  • COMP-7
  • COMP-8
  • COMP-9
  • COMPUTATIONAL
  • COMPUTATIONAL-1
  • COMPUTATIONAL-2
  • COMPUTATIONAL-3
  • COMPUTATIONAL-4
  • COMPUTATIONAL-5
  • COMPUTATIONAL-6
  • COMPUTATIONAL-7
  • COMPUTATIONAL-8
  • COMPUTATIONAL-9
  • COMPUTE
  • CONFIGURATION
  • CONNECT
  • CONTAINED
  • CONTAINS
  • CONTENT
  • CONTINUE
  • CONTROL
  • CONTROLS
  • CONVERTING
  • COPY
  • CORR
  • CORRESPONDING
  • COUNT
  • CURRENCY
  • CURRENT
  • CYCLE
  • DATA
  • DATE
  • DATE-COMPILED
  • DATE-WRITTEN
  • DAY
  • DAY-OF-WEEK
  • DB
  • DB-ACCESS-CONTROL-KEY
  • DB-DATA-NAME
  • DB-EXCEPTION
  • DB-RECORD-NAME
  • DB-SET-NAME
  • DB-STATUS
  • DBCS
  • DE
  • DEBUG-CONTENTS
  • DEBUG-ITEM
  • DEBUG-LINE
  • DEBUG-NAME
  • DEBUG-SUB-1
  • DEBUG-SUB-2
  • DEBUG-SUB-3
  • DEBUGGING
  • DECIMAL-POINT
  • DECLARATIVES
  • DEFAULT
  • DELETE
  • DELIMITED
  • DELIMITER
  • DEPENDING
  • DESCENDING
  • DESTINATION
  • DETAIL
  • DISABLE
  • DISCONNECT
  • DISPLAY
  • DISPLAY-1
  • DISPLAY-2
  • DISPLAY-3
  • DISPLAY-4
  • DISPLAY-5
  • DISPLAY-6
  • DISPLAY-7
  • DISPLAY-8
  • DISPLAY-9
  • DIVIDE
  • DIVISION
  • DOWN
  • DUPLICATE
  • DUPLICATES
  • DYNAMIC
  • EGCS
  • EGI
  • EJECT
  • ELSE
  • EMI
  • EMPTY
  • ENABLE
  • END
  • END-ADD
  • END-CALL
  • END-COMPUTE
  • END-DELETE
  • END-DISABLE
  • END-DIVIDE
  • END-ENABLE
  • END-EVALUATE
  • END-IF
  • END-INVOKE
  • END-MULTIPLY
  • END-OF-PAGE
  • END-PERFORM
  • END-READ
  • END-RECEIVE
  • END-RETURN
  • END-REWRITE
  • END-SEARCH
  • END-SEND
  • END-START
  • END-STRING
  • END-SUBTRACT
  • END-TRANSCEIVE
  • END-UNSTRING
  • END-WRITE
  • ENDING
  • ENTER
  • ENTRY
  • ENVIRONMENT
  • EOP
  • EQUAL
  • EQUALS
  • ERASE
  • ERROR
  • ESI
  • EVALUATE
  • EVERY
  • EXACT
  • EXCEEDS
  • EXCEPTION
  • EXCLUSIVE
  • EXIT
  • EXTEND
  • EXTERNAL
  • FALSE
  • FD
  • FETCH
  • FILE
  • FILE-CONTROL
  • FILLER
  • FINAL
  • FIND
  • FINISH
  • FIRST
  • FOOTING
  • FOR
  • FORM
  • FORMAT
  • FREE
  • FROM
  • FUNCTION
  • GENERATE
  • GET
  • GIVING
  • GLOBAL
  • GO
  • GOBACK
  • GREATER
  • GROUP
  • HEADING
  • HIGH-VALUE
  • HIGH-VALUES
  • I-O
  • I-O-CONTROL
  • ID
  • IDENTIFICATION
  • IF
  • IN
  • INDEX
  • INDEX-1
  • INDEX-2
  • INDEX-3
  • INDEX-4
  • INDEX-5
  • INDEX-6
  • INDEX-7
  • INDEX-8
  • INDEX-9
  • INDEXED
  • INDICATE
  • INHERITS
  • INITIAL
  • INITIALIZE
  • INITIATE
  • INPUT
  • INPUT-OUTPUT
  • INSERT
  • INSPECT
  • INSTALLATION
  • INTO
  • INVALID
  • INVOKE
  • IS
  • JUST
  • JUSTIFIED
  • KANJI
  • KEEP
  • KEY
  • LABEL
  • LAST
  • LD
  • LEADING
  • LEFT
  • LENGTH
  • LESS
  • LIMIT
  • LIMITS
  • LINAGE
  • LINAGE-COUNTER
  • LINE
  • LINE-COUNTER
  • LINES
  • LINKAGE
  • LOCALLY
  • LOCAL-STORAGE
  • LOCK
  • LOW-VALUE
  • LOW-VALUES
  • MEMBER
  • MEMORY
  • MERGE
  • MESSAGE
  • METACLASS
  • METHOD
  • METHOD-ID
  • MODE
  • MODIFY
  • MODULES
  • MORE-LABELS
  • MOVE
  • MULTIPLE
  • MULTIPLY
  • NATIVE
  • NEGATIVE
  • NEXT
  • NO
  • NORMAL
  • NOT
  • NULL
  • NULLS
  • NUMBER
  • NUMERIC
  • NUMERIC-EDITED
  • OBJECT
  • OBJECT-COMPUTER
  • OCCURS
  • OF
  • OFF
  • OMITTED
  • ON
  • ONLY
  • OPEN
  • OPTIONAL
  • OR
  • ORDER
  • ORGANIZATION
  • OTHER
  • OUTPUT
  • OVERFLOW
  • OVERRIDE
  • OWNER
  • PACKED-DECIMAL
  • PADDING
  • PAGE
  • PAGE-COUNTER
  • PARAGRAPH
  • PASSWORD
  • PERFORM
  • PF
  • PH
  • PIC
  • PICTURE
  • PLUS
  • POINTER
  • POSITION
  • POSITIVE
  • PRESENT
  • PREVIOUS
  • PRINTING
  • PRIOR
  • PROCEDURE
  • PROCEDURE-POINTER
  • PROCEDURES
  • PROCEED
  • PROCESSING
  • PROGRAM
  • PROGRAM-ID
  • PROTECTED
  • PURGE
  • QUEUE
  • QUOTE
  • QUOTES
  • RANDOM
  • RD
  • READ
  • READY
  • REALM
  • RECEIVE
  • RECONNECT
  • RECORD
  • RECORD-NAME
  • RECORDING
  • RECORDS
  • RECURSIVE
  • REDEFINES
  • REEL
  • REFERENCE
  • REFERENCES
  • RELATION
  • RELATIVE
  • RELEASE
  • RELOAD
  • REMAINDER
  • REMOVAL
  • RENAMES
  • REPEATED
  • REPLACE
  • REPLACING
  • REPORT
  • REPORTING
  • REPORTS
  • REPOSITORY
  • RERUN
  • RESERVE
  • RESET
  • RETAINING
  • RETRIEVAL
  • RETURN
  • RETURN-CODE
  • RETURNING
  • REVERSED
  • REWIND
  • REWRITE
  • RF
  • RH
  • RIGHT
  • ROLLBACK
  • ROUNDED
  • RUN
  • SAME
  • SD
  • SEARCH
  • SECTION
  • SECURITY
  • SEGMENT
  • SEGMENT-LIMIT
  • SELECT
  • SELF
  • SEND
  • SENTENCE
  • SEPARATE
  • SEQUENCE
  • SEQUENTIAL
  • SERVICE
  • SESSION-ID
  • SET
  • SHARED
  • SHIFT-IN
  • SHIFT-OUT
  • SIGN
  • SIZE
  • SKIP1
  • SKIP2
  • SKIP3
  • SORT
  • SORT-CONTROL
  • SORT-CORE-SIZE
  • SORT-FILE-SIZE
  • SORT-MERGE
  • SORT-MESSAGE
  • SORT-MODE-SIZE
  • SORT-RETURN
  • SOURCE
  • SOURCE-COMPUTER
  • SPACE
  • SPACES
  • SPECIAL-NAMES
  • STANDARD
  • STANDARD-1
  • STANDARD-2
  • STANDARD-3
  • STANDARD-4
  • START
  • STATUS
  • STOP
  • STORE
  • STRING
  • SUB-QUEUE-1
  • SUB-QUEUE-2
  • SUB-QUEUE-3
  • SUB-SCHEMA
  • SUBTRACT
  • SUM
  • SUPER
  • SUPPRESS
  • SYMBOLIC
  • SYNC
  • SYNCHRONIZED
  • TABLE
  • TALLY
  • TALLYING
  • TAPE
  • TENANT
  • TERMINAL
  • TERMINATE
  • TEST
  • TEXT
  • THAN
  • THEN
  • THROUGH
  • THRU
  • TIME
  • TIMEOUT
  • TIMES
  • TITLE
  • TO
  • TOP
  • TRACE
  • TRAILING
  • TRANSCEIVE
  • TRUE
  • TYPE
  • UNEQUAL
  • UNIT
  • UNSTRING
  • UNTIL
  • UP
  • UPDATE
  • UPON
  • USAGE
  • USAGE-MODE
  • USE
  • USING
  • VALID
  • VALIDATE
  • VALUE
  • VALUES
  • VARYING
  • WAIT
  • WHEN
  • WHEN-COMPILED
  • WITH
  • WITHIN
  • WORDS
  • WORKING-STORAGE
  • WRITE
  • WRITE-ONLY
  • ZERO
  • ZEROES
  • ZEROS

 

This article written by Stephen Chapman, Felgall Pty Ltd.

go to top

FaceBook Follow
Twitter Follow
Donate