RMAN>list archivelog all;
RMAN>list copy of archivelog until time 'SYSDATE-10';
RMAN>list copy of archivelog from time 'SYSDATE-10';
RMAN>list copy of archivelog from time 'SYSDATE-10' until time 'SYSDATE-2';
RMAN>list copy of archivelog from sequence 1000;
RMAN>list copy of archivelog until sequence 1500;
RMAN>list copy of archivelog from sequence 1000 until sequence 1500;
RMAN>delete archivelog all;
RMAN>delete archivelog until time 'SYSDATE-1';
RMAN>delete archivelog from time 'SYSDATE-10';
RMAN>delete archivelog from time 'SYSDATE-10' until time 'SYSDATE-2';
RMAN>delete archivelog from sequence 1000;
RMAN>delete archivelog until sequence 1500;
RMAN>delete archivelog from sequence 1000 until sequence 1500;
Note : Also, you can use noprompt statement for do not yes-no question.
RMAN>delete noprompt archivelog until time 'SYSDATE-3';