$ rman target / catalog rcatowner/oracle@rcat
RMAN> list backup;

$ export ORACLE_SID=orcl
$ echo $ORACLE_SID
orcl
$ rman target / catalog rcatowner/oracle@rcat

RMAN> list script names;

1. vi backup_db.txt

   run 
   {
     backup database plus archivelog;
   }

2. cat 명령으로 파일확인

   $ cat backup_db.txt
   run 
   {
     backup database plus archivelog;
   }

RMAN> create global script backup_db from file 'backup_db.txt';

RMAN> print global script backup_db;

1. RMAN에서 실행

   RMAN> run
   2> {
   3> execute global script backup_db; 
   4> }

2. shell에서 실행

   rman target / catalog rcatowner/oracle@rcat script backup_db

RMAN> print global script backup_db to file 'backup_database.txt';

RMAN> delete global script backup_db;

RMAN> crosscheck archivelog all;
RMAN> delete expired archivelog all;