HELP ON HOW TO STORE OUTPUT IN TEXT FILE

Hello,
I am trying to output the results from queties into an output text file does anyone knows how to do that please?
For example i want to do :
Select SYSDATE from dual;
and output the result of it in a text file called output.txt does anyone knows how to do that please?
THanks a lot and every help is appreciated.
Regards,
giannis

Can i set the path of the output file Yes, you can :
TEST@db102 SQL> spool /tmp/output.txt
TEST@db102 SQL> select sysdate from dual;
SYSDATE
14-JUN-06
TEST@db102 SQL> spool off
TEST@db102 SQL> !ls -ltr /tmp | tail -n 1
-rw-r--r-- 1 ora102 dba 313 Jun 14 01:52 output.txt
TEST@db102 SQL> !cat /tmp/output.txt
TEST@db102 SQL> select sysdate from dual;
SYSDATE
14-JUN-06
TEST@db102 SQL> spool off
TEST@db102 SQL>

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