---
title: "These COBOL File Status Codes Asked in Many Mainframe Interviews"
description: "COBOL file status codes for interviews."
url: https://srinimf.com/2015/06/26/these-cobol-file-status-codes-asked-in-many-mainframe-interviews/
date: 2015-06-26
modified: 2026-10-10
author: "Srini"
image: https://i0.wp.com/srinimf.com/wp-content/uploads/2015/06/pexels-photo-439227.jpeg?fit=1880%2C1058&ssl=1
categories: ["COBOL"]
tags: ["Quick Reference List of File Status Commands in COBOL"]
type: post
lang: en
---

# These COBOL File Status Codes Asked in Many Mainframe Interviews

The below COBOL errors frequently being asked in many interviews, and occurring in day to day development of COBOL programs.

**[COBOL File Status](https://srinimf.com/2023/05/21/cobol-file-status-codes-and-their-meanings/) Codes:**

00- Successful

Related[Mainfrmae MVS Abend Codes](https://srinimf.com/2014/07/31/mvs-abend-codes/)

02-Duplicate alternate key

22-Duplicate Key

23-Record not found

24-Space not found to insert a record for KSDS or RRDS

34-Space not found for ESDS

46- Sequential READ, READ NEXT or READ PRIOR statement was attempted on a file open in the input or I-O mode and no valid next record had been established because the preceding START statement was unsuccessful.

47-Read file not opened as INPUT or I/O

48-Write file not opened as OUTPUT/EXTEND/IO

39-Mismatch of logical record length

92-Logical errors

Examples for logical errors:

- File locked
- File already open
- I-O to closed file
- READ after end of file
- CLOSE on unopened file

96-DD Not found

118-Verify performed successfully

Read more at [IBM Material](http://publib.boulder.ibm.com/iseries/v5r1/ic2924/books/c0925392642.htm)

---

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