---
title: "TSO- ISPF Commands UNNUM | NUM OFF"
description: "Given ISPF commands on how to remove line numbers in COBOL or JCL."
url: https://srinimf.com/2012/01/10/tso-ispf-editor-commands/
date: 2012-01-10
modified: 2026-10-05
author: "Srini"
image: https://i0.wp.com/srinimf.com/wp-content/uploads/2012/01/pexels-photo-5912677.jpeg?fit=1880%2C1058&ssl=1
categories: ["ISPF"]
tags: ["Generate Line Numbers in COBOL", "ISPF", "line numbers"]
type: post
lang: en
---

# TSO- ISPF Commands UNNUM | NUM OFF

I have just got a small relief, after working on complex program coding. Finally I have done it. There are some ISPF commands we need 24×7   to do coding well.

Example:

UNNUM ==> Replace line numbers with blanks. Turns off [number mode](https://srinimf.com/2017/07/18/ispf-daily-use-commands-a-quick-guide/).

PROF LOCK==> It locks profile

PROF UNLOCK==> We can edit profile

NUM ON STD COB==>To use line numbers as COB

NUM OFF==> To avoid line numbers in 73-80

NONUMBER==> It turns off number mode.

See still many [here.](http://ruifeio.com/2013/01/18/ispf-useful-commands/)

Related Posts

- [Mainframe ISPF Commands (5 Of 5)](https://srinimf.com/2015/05/30/ispf-commands-for-senior-software-developers-5-of-5/)DateMay 30, 2015
- [ISPF Daily Use Commands a Quick Guide](https://srinimf.com/2017/07/18/ispf-daily-use-commands-a-quick-guide/)DateJuly 18, 2017
- [ISPF Basic Commands](https://srinimf.com/2015/04/13/ispf-primary-commands/)DateApril 13, 2015

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