We are using informatica tool.in that we running the script in the pre session.
In pre session we are connecting to the database,
"connect to $DB_NAME user $USER using $PWD"
the exit status of the prev command is 255.and also its not connecting to the database.even its not showing any error.But while checking the error status it is 255
But if i run the script in the unix its workking and connecting tothe database also
What will be problem and what it means that error code 255