sqlplus scott/tiger@prod
ERROR:
ORA-12154: TNS:could not resolve service name

Enter user-name:
ERROR:
ORA-01017: invalid username/password; logon denied

Enter user-name:
ERROR:
ORA-01017: invalid username/password; logon denied

unable to CONNECT to ORACLE after 3 attempts, exiting SQL*Plus

noramlly, oracle gives us 3 attempts to connect into sqlplus.
is any way to decrease or increase it. ex. once???

thanks in advance