Is this for SQL * Plus? If so, these instructions will work:
Create a file (or edit it if it already exists) called glogin.sql in the <ORACLE_HOME> \ sqlplus \ admin directory
(for example, C: \ Oracle \ Ora10g \ sqlplus \ admin \ glogin. SQL)
This file will be executed every time you enter SQL * Plus. Here you can add settings such as "set linesize 1000". Here is the contents of my file:
glogin.sql: set linesize 1000
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