Consider there are 20 members in a dataset. Each member contains a field name called VAR-1. How to change this field name VAR-1 in all the members to VAR-2 at time without opening all the members? Is there are any TSO command like ?CHANGE? to do that?
You can Use PDSMAN also, if u have. For checking whether you have it or not, just type PDSMAN in commandline. It will show you some PDS editing options. Go to Scan & replace option. Then specify the source string & the Target string. It will make the changes in all the members. It can also make changes in the selected members.