File Organization In Cobol

COBOL stands for Common Business Oriented Language. COBOL Programming Tutorials - Reading Files and Editing PIC Displays How to Create Your Own RESTful API Services from Scratch Using NodeJS: A Todo List App Why Time is the Most Valuable Currency in the World and How Could You Spend it Well. PS files will be discussed in this module. specify organization is line sequental You cannot open a line sequential file in I-O mode and you cannot use REWRITE statement. select in-file assign to dd1 organization is sequential access mode is sequential. These attributes include the organization of the file (sequential, relative, or indexed), the prime record key, the alternate record keys, the code set, the maximum record size, and the record type (fixed or variable). DATA DIVISION. The COBOL file access routines enable the following operations:-File I-O to or from the existing resources, such as reading or rewriting a file created by a COBOL application-Creation of COBOL files of any organization type-Sharing or exclusive use of files with COBOL applications. This was a major change that was not backward compatible; programs written in earlier versions could not be compiled on COBOL-74 compilers. Mas é provável que a COBOL permaneça importante ainda por muitos anos. TCS develops and delivers skills, technical know-how, and materials to IBM technical professionals, Business Partners, clients, and the marketplace in general. I suspect that it is. Sequential File - Health Care is a COBOL Projects source code in COBOL programming language. File organization - Is the file sequential or does it also have an index, is it indexed. TIP # 042 COBOL Do you know using an odd number of digits for PACKED DECIMAL (COMP-3) is 5% to 20% faster than using an even number of digits !! TIP # 043 COBOL. data division. (6) recordname The name of the record used in the WRITE and REWRITE statements. Cobol unit testing framework for mainframe programs. LINE SEQUENTIAL and RECORD SEQUENTIAL. IBM Redbooks content is developed and published by the IBM Digital Services Group, Technical Content Services (TCS), formerly known as the ITSO. In COBOL, to use this trick requires "reading into" or reading and then moving data to a record in the working storage section. fd tran-file label records are standard. where ORGANIZATION IS LINE SEQUENTIAL is used for input files that have one record per line. In contrast to RELATIVE files, records of a INDEXED SEQUENTIAL file can be accessed by specifying an ALPHANUMERIC key in the READ statement (the KEY). Hence, the ORGANIZATION clause should not be coded with a non-VSAM dataset. VSAM File Access for COBOL. It details the use of subprograms and the linkage section. File organization - Is the file sequential or does it also have an index, is it indexed. prompt$ cobc -xdj rewriting. What the Sort Statement Does. I googled it for you. 2 programming languages for z/OS®. Well, you are insistent, so: IDENTIFICATION DIVISION. The access mode can be Sequential/Random/Dynamic. * the output file name will be 'cobolout. TCS develops and delivers skills, technical know-how, and materials to IBM technical professionals, Business Partners, clients, and the marketplace in general. working-storage section. Relative file Organization: - A relative file is organized in such a way that a relative record number identifies each record. * RDDFILE Specifies name of the RDD file that describes structure of the file record. New records are always added to the end of the file. This behavior is obtained with isCOBOL by setting the property "iscobol. and copying files Understand the concepts of the search path, configuration files, and directory structure Be able to use a text editor to make changes to an ASCII text file Organization Chapter 1, "Introducing Pro*COBOL" Describes the Oracle programmatic interface for the COBOL language running on Windows NT and Windows 95/98 operating systems. You could also update those recs you read. File Status 46 In Cobol. Generally, COBOL files are defined by a "Data Definition Entry" (DDE) that provides the record layout. Make the first character of the name a letter. The sequential organization input-output statements in the Procedure Division are the CLOSE, DELETE FILE, OPEN, READ, REWRITE, UNLOCK and WRITE statements. I know in Mainframe COBOL you could possibly read existing recs in the file and append new recs to the end of the file. It was the first popular language designed to be operating system agnostic and is still in use in many financial and business applications today. the indexed file organization In this file organization, the records of the file are stored one after another in the order they are added to the file. COBOL is a language created for business that is written in an English-like language that even some non-programmers will be able to understand and read. dat' data record is recbarang. vdb: VSAM-SQL Transparency Mode (record). Enterprise COBOL Programming Part 1 includes coding the four divisions, basic logic, data definition, and sequential I/O processing. Generally, COBOL files are defined by a "Data Definition Entry" (DDE) that provides the record layout. So grab a book on COBOL programming, (if you need one, Beginning COBOL for Programmers by Michael Coughlan is an excellent choice), and start exploring the world of COBOL. Once the main toggle switch is activated, the primary display window appears in the upper right of the Roy Dastidar Cobol. HP COBOL Manual for TNS and TNS/R Programs—522555-006 ii 2. log files). cob rewrite the first two records read: i am a gnu cobol developer, but use ibm cobol sometimes read: i am a gnu cobol developer, but use ibm cobol sometimes prompt$ cat rewriting. An index sequential file is concep- tually made up of two files, a data file and an index file. file-control. You can specify more than one record for a file. Example- Train Enquiry System, Reservation Enquiry System. This is usually caused by a conflict with record-length, key-length, key- position or file organization. Reading the last record of a file. input-output section. A Compaq COBOL program must open a file with an OPEN statement before any other I/O or Report Writer statement can reference it. select in-file assign to dd1 organization is sequential access mode is sequential. Using only COBOL syntax, COBOL programs can create, update and read files of four different organizations: Line sequential. The organization of a file can be sequential, indexed, or relative (discussed in another section). file section. select out-file assign to dd2 organization is indexed record key is ono access mode is dynamic file status is st. What are the Environment Division considerations for random processing of KSDS File? When you want to do random processing of the records in a KSDS File, the COBOL SELECT statement has the following syntax : SELECT filename ASSIGN TO ddname ORGANIZATION IS INDEXED. 01 PRINT-RECORD. working-storage section. * replace "999" with max record length fd get-file record is varying from 1 to 999. Line 23, sets the flag to “Y” indicating the program has read the whole content of the file. function all intrinsic. fd input-file recording mode is v record is varying from 1 to 221 block contains 0 records. PROGRAM-ID. When can the USING phrase be included in the call statement ? 14. Summary of Changes Edition Date Change Description 2nd 17 July 2012 Updated for version 11FEB2012 of GNU COBOL 2. However, formatting rules can vary widely between applications and fields of interest or study. the indexed file organization In this file organization, the records of the file are stored one after another in the order they are added to the file. and copying files Understand the concepts of the search path, configuration files, and directory structure Be able to use a text editor to make changes to an ASCII text file Organization Chapter 1, "Introducing Pro*COBOL" Describes the Oracle programmatic interface for the COBOL language running on Windows NT and Windows 95/98 operating systems. This information can be used by Python programs to process files that originate from COBOL systems. The master file is opened as I-O, which allows records to be read and written back to it. ORGANIZATION IS. This product is a pack of utilities to handle COBOL data files. I know in Mainframe COBOL you could possibly read existing recs in the file and append new recs to the end of the file. 0 Cobol to Java Conversion THE SOLUTION AS OFFERED BY MSS ! MSS's migrate!COBOL tools offers JAVA as a destination language. COBOL Disadvantages Requires a compiler. The form taken by the SELECT statement depends upon the file's organization. If we want to position the pointer at a specific position in INDEXED or RELATIVE ORGANIZATION, we have to use START operation. to be English-like, so that the reader, even a non-programmer, could get an idea of what was going on in the program, simply by reading the code. file-control. Make the first character of the name a letter. 39 A conflict has been detected between the fixed file attributes and the attributes specified for the file in the program. File-Control for Sequential KSDS • File-Control. …Your program retrieves information, processes it,…and, then, produces the results, which might be…creating a report, or even generating another file. If your files are not ORGANIZATION SEQUENTIAL with fixed length records you can really forget about being able to read them. An index sequential file is concep- tually made up of two files, a data file and an index file. DATA DIVSION. File Handling in. (5) file-status The COBOL file status key. select out-file assign to disk organization is line sequential. Data is brought in from disk physical file is indicated in the environment division, file control section Data is parsed into memory locations data is put into buffers usually defined in the working storage section Data is manipulated Data is parsed into formatted output buffers. The record length is fixed in the VSAM file, fixed in the COBOL progam, but the two lengths are different. program-id. Sequential files are processed in the same way regardless of the type of magnetic media on which they are stored. Cobol File Errors From time to time you will experience Cobol file errors. LINE SEQUENTIAL and RECORD SEQUENTIAL. When the ORGANIZATION clause is coded for a file, the COBOL compiler interprets it as a VSAM dataset. In Indexed File Orgainsation, File Opening Modes are Output,I-O, input. The organization of a file can be sequential, indexed, or relative (discussed in another section). About COBOL. Chapter 3: COBOL File Organizations. Codes beginning with a '1' are considered "at end" messages, those beginning with a '2' are considered "invalid key" messages, File Status Codes beginning with a '3' are considered "Permanent Errors", keys like '4x' are "Logical Errors" and '9x' are "Implementer defined". In applications of this general type of processing, the sorting of data files is frequently found to be necessary. 38 An OPEN operation has been tried on a file previously closed with a lock. 01 PRINT-RECORD. In order to deal with files created on distributed platforms, you have to use a kind of files known as line sequential. In 1974, ANSI published a revised version of (ANS) COBOL, containing new features such as file organizations, the statement and the segmentation module. This support is only available with VS COBOL II through Enterprise COBOL Version 3 programs. The file property specified in a parameter or option must match with that of the physical file. Also organization (Whether indexed, sequential) and access mode (Seqential,random, dynamic) specified here. Line 23, sets the flag to “Y” indicating the program has read the whole content of the file. where ORGANIZATION IS LINE SEQUENTIAL is used for input files that have one record per line. Designed for entry-level programmers, this test covers the following topics: Arithmetic Computations, Character Manipulation, Data Division Basics, File Processing and Reports, Input/Output Basics, Mainframe Environment, Procedure. COBOL was designed initially for use in the processing of data-files stored on serially-accessed input-output devices. However, formatting rules can vary widely between applications and fields of interest or study. file-1, file-2 & file-3 should not be opened explicitly. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The following commands are available: * FILE Specifies file-name as it appears in the Cobol program in FD and SELECT statements. Logical file name is assgined using SELECT clause to file. file-3 is the out file from the SORT and must be described using an FD entry in FILE SECTION and SELECT clause in FILE CONTROL. ASSIGN TO 'C:\MyFolder\FILEA. For Program described FD PRINT-FILE. You can use the flag to perform some checks right before the program completes execution. 01 file1-rec. This is usually caused by a conflict with record-length, key-length, key- position or file organization. , Mainframe Cobol files. COBOL Programming Tutorials - Reading Files and Editing PIC Displays How to Create Your Own RESTful API Services from Scratch Using NodeJS: A Todo List App Why Time is the Most Valuable Currency in the World and How Could You Spend it Well. 01 tran-rec. 05 out-last-name pic x(25). Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. (3) File handling verbs. I have to change the physical file with the view file in a few cobol programs, but I think I don't have key records for this, I supposed that the view is similar to logical file, the physical file has 2 fields as keys and it is declared as: select physical_file to database-physical_file organization indexed access mode dynamic. The CobolLanguage has the following bad attributes: EverythingIsAMove -- Over 90% of a typical Cobol program will be MOVE, IF, and GO TO verbs, because Cobol is an English version of assembly language, which has the same. COPY DDS-ALL-FORMATS-O OF. file section. PS files will be discussed in this module. Eastern Illinois University academic catalogs. (2) File ORGANIZATION and ACCESS methods. You should decide on the file organization and access modes when you design your program. These are the kind of files produced by a text editor such as Notepad. Discuss any two types of file organization in detail. This chapter explains the available COBOL file organizations and gives examples of using them. - COBOL supports two kinds of direct…access file organizations, including relative and indexed. Sample OPEN and CLOSE statements are shown in Example 6-21. data division. This organization is useful for programs that normally access each record serially. Index sequential file organization support applications that selectively access individual records rather than searching thru the entire collection in sequence. - Reading and writing data is an essential part…of every program. 01 student-file. Internal sort is used to sort the file inside COBOL program using SORT verb. Example- Train Enquiry System, Reservation Enquiry System. Exporter for Microfocus COBOL databases. Estas han ido avanzando con el paso de los tiempos y cada compilador incluso, incluyendo nuevas. What is OpenCOBOL? 1-1 1. An index sequential file is concep- tually made up of two files, a data file and an index file. When I learned COBOL many years ago, direct access files, and particularly indexed files, were the jewel in COBOL's crown. file section. Source Program Organization and Format (continued) 2. In this file organization, the records of the file are stored one after another both physically and logically. SELECT FILEA. select TMSACIUP assign to "TMSACIUP" organization sequential. Mainframe COBOL. Code 98 means: File is The main reason for file error 98,90's is when runtimes terminate. Estas han ido avanzando con el paso de los tiempos y cada compilador incluso, incluyendo nuevas. I have to change the physical file with the view file in a few cobol programs, but I think I don't have key records for this, I supposed that the view is similar to logical file, the physical file has 2 fields as keys and it is declared as: select physical_file to database-physical_file organization indexed access mode dynamic. The status known as status-key-1; the second character is known as status-key-2. The access mode defines how COBOL reads and writes files, but not how files are organized. Programming techniques in COBOL II in-line performs (do groups), evaluate (case), perform with test after (dountil), perform with test before (dowhile), if then else (selection) and sequence Basic I/O functions and verbs open, close, read, write, rewrite, start, file organization, file access mode, fixed and variable length records processing. COBOL EXAMPLES. Introducing COBOL 1-1 1. COBOL was developed in 1959 by the. Linking AccuRev Files to Micro Focus COBOL or PL/I Projects Locking Endevor Elements Editing Files in COBOL or PL/I Projects Linked to AccuRev Promoting Files in AccuRev with Synchronization to Endevor Navigating to Endevor Elements Verifying Endevor Compile Results Moving Files in Endevor and Synchronizing to AccuRev. Each record in an indexed organization file is uniquely identified by the value of one or more keys within that record, except when the DUPLICATES phrase is specified for all the keys associated with the file. For Program described FD PRINT-FILE. FD file-name. Return to Catalog Home Return to Curriculum Listing COBOL Programming – Manipulating Data Duration. The cobol indexed file or VSAM file are inside the PowerCenter Server. …Let's take a look at the advantages…of using relative files. Typically, your system manager or DBA defines environment variables, logicals, or aliases or uses other operating system-specific means to make the Pro*COBOL executable accessible. data division. …Let's take a look at how COBOL manages files. file-3 is the out file from the SORT and must be described using an FD entry in FILE SECTION and SELECT clause in FILE CONTROL. In a Sequential file the records are arranged serially, one after another, like cards in a dealing shoe. data division. COBOL-80 is a standard, COBOL programs written on other computers may be run easily on 8080, z-80 or 8085 systems. PERCobol works by analyzing and dissecting your original COBOL code to recreate the same program in Java, producing multiple source and class files of equivalent functionality. what are difference organizations in cobol and access mode in cobol? can you expalin what organiza. THE STATUS CODE WAS 90. COBOL Tutorial studay material - relative organization is relative record key is , file status random files open, read, close, write , GOTO etc. COBOL-74, a revision to the ANSI standard, contained a number of new features including file organizations, DELETE, and a memory segmentation module. ***** environment division. It is a VSAM file, so you must use ORGANIZATION IS SEQUENTIAL, ACCESS IS SEQUENTIAL, FILE-STATUS IS WS-etc. Using Printer File in COBOL/400. - Conducted training for new project team members in using IBM Mainframe, COBOL Architecture and TSO environment. All common COBOL file organizations and record types are supported, including Indexed, Relative, Binary Sequential, and Line Sequential file organizations, with fixed and variable length records. the indexed file organization In this file organization, the records of the file are stored one after another in the order they are added to the file. An empty file can be opened for output only. file-control. The cobol file stores various data used for internal purposes of the Micro-Focus Cobol. The internal file name (This name is not actual name of file. 000190 01 team-rec. select msgtext-file assign to msgtext organization is line sequential. The goal of the project is to enable isolated unit testing of individual paragraphs in Cobol programs in a standalone environment with no connection to a zOS system. file-control. select out-file assign to 'cobolout. COBOL-IT Developer Studio Developer Tools, Shareware, $0. ORGANIZATION IS SEQUENTIAL. This will work for a flat file for INPUT, for OUTPUT and also for EXTEND. This document may be used to assist as a tutorial for new programmers or as a quick reference for experienced programmers. file section. So far in COBOL, we have been using files with sequential organization. fd in-file. file-control. 01 sf-file-status pic xx. 05 out-last-name pic x(25). Either it is a Fresh Run or Restart , After processing (Updating/Inserting/Deleting) certain number of records (ex 1000) issue COMMIT in the COBOL-DB2 Program. You could also update those recs you read. …When working with files, we need to understand…that there is a difference between file organization…and the access. 01 PRINT-RECORD. Organization of Indexed files Describes the organization of Indexed files. So far in COBOL, we have been using files with sequential organization. file section. author of this document nor the authors of the GNU COBOL software, extend any warranties of any kind for this document or for the information contained therein. in Micro Focus COBOL for including computational data in line sequential files. This document provides an example of displaying two display files (DSPF) in a CBLLE (COBOL ILE) program. Sequential File; Indexed File; Relative organization File. Cobol Developer For Windows in title. based on the recordkey value records will be arranged in the file. Programming techniques in COBOL II in-line performs (do groups), evaluate (case), perform with test after (dountil), perform with test before (dowhile), if then else (selection) and sequence Basic I/O functions and verbs open, close, read, write, rewrite, start, file organization, file access mode, fixed and variable length records processing. The status known as status-key-1; the second character is known as status-key-2. The access mode defines how COBOL reads and writes files, but not how files are organized. 000200 03 team-code pic xxx. data division. The purpose for this document is to show how a singe COBOL program can process a VSAM Key Sequenced Data Set or KSDS. Introducing COBOL 1-1 1. select in-file assign to dd1 organization is sequential access mode is sequential. The generated output file can then be compiled, linked, and run in the usual manner. Sequential file organization. The record last read by the Read statement is deleted in case of sequential access mode. RECORD KEY is data-name-1 where data-name-1 is the file’s key field and the records are going to be accessed ascending on this field data-name-1 must appear in the file’s record description in the FILE SECTION 9 File-Control for Sequential KSDS • File-Control. VSAM KSDS and COBOL. SELECT FILEA. Start studying COBOL Ch. 0 Documentation Enhancements:. isCOBOL has a built-in ESQL compiler that translates embedded SQL (EXEC SQL) statements to JDBC calls, and also supports Pro*COBOL and DB2 Precompilers. Cannot open a file because of a mismatch of file properties. file-control. 0 Cobol to Java Conversion THE SOLUTION AS OFFERED BY MSS ! MSS's migrate!COBOL tools offers JAVA as a destination language. (COBOL Prg - Intermediate - 11. This library helps parse DDE's to determine the offset, size, and encoding of each field. The word COBOL is an acronym that stands for COmmon Business Oriented Language. The textbook covers all basic COBOL elements, with additional chapters on the Year 2000 problem, structured programming and design, debugging, subprograms, table processing, sorting, screen I/O, sequential file maintenance, indexed files, and object-oriented COBOL. isCOBOL has a built-in ESQL compiler that translates embedded SQL (EXEC SQL) statements to JDBC calls, and also supports Pro*COBOL and DB2 Precompilers. This is usually caused by a conflict with record-length, key-length, key- position or file organization. In this file organization, the records of the file are stored one after another both physically and logically. file-control. What the Sort Statement Does. In a line sequential file, each record in the file is separated from the next by a record delimiter, which can be the carriage return 0x0D (Unix/Linux) or the carriage return 0x0D followed by the line feed 0x0A characters. The Designer looks for COBOL file format similar to the following example: identification division. 38 An OPEN operation has been tried on a file previously closed with a lock. Cobol unit testing framework for mainframe programs. The ASSIGN clause associates the name of a file in a program with the actual external name of the data file. The Cadre may be EXE or JEX or NEX. In the world of programming there are many ways to solve a problem. This name of the file is used only inside the cobol program) used in a file's FD entry is connected to an external file (Actual physical file on disk or tape) by means of the SELECT and ASSIGN clause. Sort is a powerful feature of the COBOL programming language. It sounds like the program compiled. author of this document nor the authors of the GNU COBOL software, extend any warranties of any kind for this document or for the information contained therein. These attributes include the organization of the file (sequential, relative, or indexed), the prime record key, the alternate record keys, the code set, the maximum record size, and the record type (fixed or variable). data division. it is a type of file where file organization is indexed and file accessing mode is sequential. Job detail for the post of As400 Cobol ILE Developer in E-Solutions IT Services Pvt Ltd Chennai, 4 - 9 Years of experience. DATA DIVSION. select out-file assign to 'cobolout. creating one (or overwriting an existing file so be careful) the new file would be opened in OUTPUT mode. Source Program Organization and Format (continued) Nested Source Programs 2-9 Directly Contained Programs and Indirectly Contained Programs 2-10 Scope of User-Defined Names 2-11 Common Programs 2-14 Programs in the Same Run Unit 2-14. A sequential file is one in which the individual records can only be accessed sequentially, that is, in the same order as they were originally written to the file. If you are exiting program 2 and 3 with GO BACK , refer to the Application Display Programming manual in the section entitled, Defining Windows in a separate. COBOL to Java / C# - Managing Conversion Projects Before we Start: A note on Project Timing and Resources. fd in-file. select barang assign to disk organization is indexed access mode is sequential record key is kode-barang file status is status-salah. Indexed sequential file organization is very useful when a random access or records by specifying the key is required. DATA DIVISION. VID for COBOL programmers Date written: 15-OCT-2015 Date revised: 04-MAR-2019 This is documentation for the REBOL Video Interface Dialect re-ordered in a way to accomplish two goals. For instance you would not develop an operating system or a compiler using COBOL. 2 programming languages for z/OS®. PROCEDURE DIVISION. MAINFRAME COBOL FILE STATUS KEYS / CODES: File status Codes beginning with a '0' are considered Successful execution. The organization of a file and the access mode to be used on that file by a particular COBOL program are specified in a SELECT statement appearing in the FILE-CONTROL paragraph of the INPUT-OUTPUT SECTION in the ENVIRONMENT DIVISION. file-control. Relative file Organization: - A relative file is organized in such a way that a relative record number identifies each record. unisys Application Development Solutions COBOL Compiler Programming Reference Manual Volume 2: Compiler and System Interface Level 12R3 September 2016 7831 0455–020. fd output-file record contains 160 characters. - Reading and writing data is an essential part…of every program. ----- TIP # COBOL If you are accessing ESDS VSAM file, then in COBOL do you know that SELECT clause has something different about it!! For ESDS, SELECT FILE ASSIGN TO AS-DDNAME Y es, the DDNAMEs should be prefixed with AS-. For example, the INAME option specifies the source file to be precompiled. * so user should rename numbered file name to * whatever else. CobolWord::= IntegerConstant::= | |. The function of read is to fetch records from a file. IBM Manuals · FAQ Support for OS/VS. This User Guide describes how COBOL source programs produced in a BS2000. The largest indexed sequential file test took six and a half hours on the PC. COBOL Programming - Advanced Table of Contents SYS-ED/COMPUTER EDUCATION TECHNIQUES, INC. To find out more, see our Cookies Policy. This document may be used to assist as a tutorial for new programmers or as a quick reference for experienced programmers. select wfile assign to disk. The cobol file extension is associated Cobol, Visual Cobol and other development environments for Cobol programming language developed by Micro Focus. …Let's start with relative files. In indexed sequential file organization, the item in the table can be examined sequentially if all the records in the file must be accessed. About COBOL. This edition is designed to satisfy all of your COBOL needs - on multiple platforms. A record of a sequential file can only be accessed by reading all the previous records. txt" ORGANIZATION IS LINE SEQUENTIAL FILE STATUS IS w-if-in-file-status. At each read verb, only one record can be read into the file structure. When running COBOL Programs which get invoked by RemoteCall there are a number of error messages that can occur. While the ENVIRONMENT division has a CONFIGURATION section to describe the machine that the program is developed for, it is frequently omitted. file section. I thought that the key is what Cobol uses to search on the file. IDX suffix cannot be used for an indexed file in Micro Focus. unisys Application Development Solutions COBOL Compiler Programming Reference Manual Volume 2: Compiler and System Interface Level 12R3 September 2016 7831 0455–020. What are the Environment Division considerations for random processing of KSDS File? When you want to do random processing of the records in a KSDS File, the COBOL SELECT statement has the following syntax : SELECT filename ASSIGN TO ddname ORGANIZATION IS INDEXED. fd display-file label records are. What are the two search techniques ? 11. 000140 000150 000160 data division. In sequential files, records are contiguous and must be traversed sequentially , similarly to a linked list. You can have both in the one program no problem. ORGANIZATION IS. file section. 05 s-name pic a(25). To understand the COBOL file better first we should have a brief idea on the COBOL file layout. select out-file assign to 'cobolout. Example- Train Enquiry System, Reservation Enquiry System. The value indicates the status of that request. This document may be used to assist as a tutorial for new programmers or as a quick reference for experienced programmers. COBOL has a special type of sequential file organization, which is called the LINE SEQUENTIAL ORGANIZATION which places a CR/LF pair at the end of each record while adding records to a file and expect such a pair while reading.