stopsap
mv "/oracle/KBP/sapdata4/kbp_24/kbp.data*24" '/oracle/KBP/sapdata4/kbp_24/kbp.data24';
sqlplus / as sysdba
startup mount
ALTER DATABASE RENAME FILE '/oracle/KBP/sapdata4/kbp_24/kbp.data
24' TO '/oracle/KBP/sapdata4/kbp_24/kbp.data24';
alter database open;
startsap
Use on your own risk! If there is any other character than a simple newline you might not be able to rename the file in sqlplus.
Cheers Michael
If you are not sure about this, contact support and/or try on a test/sandbox sytem first!