[oracle@t-ecif03-v-szzb ~]$ sqlplus / as sysdba
SQL*Plus: Release 11.2.0.3.0 Production on Mon Nov 14 23:06:13 2016
Copyright (c) 1982, 2011, Oracle. All rights reserved.
Connected to an idle instance.
SQL> exit
Disconnected
[oracle@t-ecif03-v-szzb ~]$ ps -ef|grep pmon
oracle 659 31868 0 23:06 pts/2 00:00:00 grep pmon
oracle 32067 1 0 Nov12 ? 00:00:14 ora_pmon_kamiltest1
[oracle@t-ecif03-v-szzb ~]$ export ORACLE_SID=kamiltest1
[oracle@t-ecif03-v-szzb ~]$ sqlplus / as sysdba
SQL*Plus: Release 11.2.0.3.0 Production on Mon Nov 14 23:06:59 2016
Copyright (c) 1982, 2011, Oracle. All rights reserved.
???:
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> alter user sys identified by "oracle1122";
??????
SQL> exit
? Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options ??
[oracle@t-ecif03-v-szzb ~]$