after executing below command not able to use nano or vi editor

podman exec -it oracle12c bash

after executing the above command , is not able to use vi editor or nano editor or i cannot use any linux commands. How can i use nano,vi editor or linux commands

such as touch etc.,

how to attached volume after creating plugabble database manually using below command.

create pluggable database GRPODA admin user testuser identified by "testuser"
default tablespace users
datafile '/opt/oracle/oradata/ORCL/GRPODA/users01.dbf' size 10M autoextend on
file_name_convert=('/opt/oracle/oradata/ORCL/pdbseed/','/opt/oracle/oradata/ORCL/GRPODA/');

i need to restore the database.