Label records or disk directory - file characteristics, COBOL Programming

Assignment Help:

Label Records / Disk Directory:

The most important information stored in the header label is what is termed as the file title. In the situation of magnetic-disk files the labels normally do not exist (there are lots of exceptions). As, more than one file is stored on a disk pack, the Input-Output control system also maintains a disk directory for all the files.

 


Related Discussions:- Label records or disk directory - file characteristics

Character set - cobol programming, Character Set: To study any languag...

Character Set: To study any language, first one should know the alphabets of the language and they are termed as character set in general. There are 50 different characters in

Perform with times option, PERFORM WITH TIMES OPTION: The format of ...

PERFORM WITH TIMES OPTION: The format of a PERFORM TIMES statement is as shown below: Illustration:   A)  Perform the para-2 5 times. In this situation the specifie

Simple merge verb, SIMPLE MERGE VERB: Like sorting, the merging of fil...

SIMPLE MERGE VERB: Like sorting, the merging of files is often required in different commercial application. It is likely to merge two or more files with the help of one MERGE

Comparison of the numeric operand with nonnumeric operand, Comparison of th...

Comparison of the Numeric Operand with Nonnumeric Operand: The numeric operand can be compared to the nonnumeric operand subject to the restrictions which are as follows.

Program for add verb, PROGRAM FOR ADD VERB: We have to write a simple ...

PROGRAM FOR ADD VERB: We have to write a simple program to elaborate the ADD verb. You can also use edit characters in the program. Identification division. Program- id.

Second form of divide verb, Second form of Divide verb: The second for...

Second form of Divide verb: The second form of this verb is as shown below: In this situation the identifier-1 or numeric- literal-1 will be divided by identifier-2 or

Rules of redefines clause, RULES OF REDEFINES CLAUSE The rules shown be...

RULES OF REDEFINES CLAUSE The rules shown below govern the use of the REDEFINES clause: (i) The level-number of data-name-1 and data-name-2 should be identical. (ii) Exce

Statements for sequential files , STATEMENTS FOR SEQUENTIAL FILES: A b...

STATEMENTS FOR SEQUENTIAL FILES: A basic operation on a file includes the reading and writing of its records. Whenever the file is sequential, there are three verbs for the

Plus sign - edit characters for numeric data, Plus Sign - edit characters f...

Plus Sign - edit characters for numeric data: + (Plus Sign) : A plus sign is alike to minus sign except that when the item is positive, +sign will be inserted rather th

Rules of renames clause, RULES OF RENAMES CLAUSE:   The rules below s...

RULES OF RENAMES CLAUSE:   The rules below should be observed while using the RENAMES clause: (i) All RENAMES entries should be written only after the last record descript

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd