To Find and Delete bigger size and older files in Linux

--To find out files size more than 5MB
find . -size +5000  -exec ls -ltr {} \; 
-- To **Remove** files size more than 5MB
find . -size +5000k  -exec rm -rf {} \;

--To find out files older than 30days
find . -mtime +30 -exec ls -ltr {} \;
--To find **Remove** files older than 30days
find . -mtime +30  -exec rm -rf {} \; &

CONCURRENT REQUEST MONITORING QUERIES

SQL TO FIND OUT CONCURRENT REQUESTS CURRENTLY RUNNING:
**********************************************
set lines 180
set pages 1000
set verify off
undef spid
column req_id format 99999999999
column OPID format a10
column PPID format a8
column SPID format a8
column ST_CD format a1
column ph_cd format a1
column CNAME format a30
column event format a15
column user_name format a10
column program format a8
column serial# format 999999
column sid format 9999
column username format a8
select a.request_id "REQ_ID",a.oracle_process_id "OPID",a.os_process_id
"PPID",
e.user_concurrent_program_name "CNAME",
f.user_name,a.status_code "ST_CD",a.phase_code "PH_CD", b.username,b.sid,
b.serial#,b.program,g.event,
to_char(a.ACTUAL_START_DATE,'MON-DD-HH-MI-SS') START_DATE,
to_char(a.ACTUAL_COMPLETION_DATE,'MON-DD-HH-MI-SS') COMPL_DATE
from apps.fnd_concurrent_requests a,(select c.username,c.sid,c.serial#,
                        c.program,d.spid from v$session c, v$process d
                        where c.paddr=d.addr) b,
                        apps.fnd_concurrent_programs_tl e,
                        apps.fnd_user f,
                        v$session_wait g
                        where a.oracle_process_id=b.spid
                        and a.concurrent_program_id=e.concurrent_program_id
                        and e.language='US'
                        and a.requested_by=f.user_id
                        and b.sid=g.sid
            and a.status_code='R'
            and a.phase_code='R';
SQL TO FIND CONCURRENT REQUEST SID,OS PROCESS DETAILS BY REQUEST ID
*******************************************************************
select a.argument_text, a.phase_code, a.status_code, a.oracle_process_id "DB_PROCESS", a.OS_PROCESS_ID "MT_PROCESS", f.user_name
from apps.fnd_concurrent_requests a, apps.fnd_user f where request_id='&REQUEST_ID' and a.requested_by=f.user_id;
OR
==
SELECT C.SID, C.SERIAL#, A.PID
FROM   GV$PROCESS A, FND_CONCURRENT_REQUESTS B, GV$SESSION C
WHERE  B.ORACLE_PROCESS_ID = A.SPID
-- AND    B.REQUEST_ID like '%'
AND    B.REQUEST_ID =&x
AND    A.ADDR=C.PADDR;

SQL TO FIND THE CONCURRENT REQUEST TRACE FILE DETAILS (Input Request ID)
*************************************************************************
SELECT 'Request id: '||request_id ,
'Trace id: '||oracle_Process_id,
'Trace Flag: '||req.enable_trace,
'Trace Name: '||dest.value||'/'||lower(dbnm.value)||'_ora_'||oracle_process_id|
|'.trc',
--'Prog. Name: '||prog.user_concurrent_program_name,
'File Name: '||execname.execution_file_name|| execname.subroutine_name ,
'Status : '||decode(phase_code,'R','Running') ||'-'||decode(status_code,'R','Normal'),
'SID Serial: '||ses.sid||','|| ses.serial#, 'Module : '||ses.module
from
fnd_concurrent_requests req,
v$session ses,
v$process proc,
v$parameter dest,
v$parameter dbnm,
fnd_concurrent_programs_vl prog,
fnd_executables execname where req.request_id = &request
and req.oracle_process_id=proc.spid(+)
and proc.addr = ses.paddr(+)
and dest.name='user_dump_dest'
and dbnm.name='db_name'
and req.concurrent_program_id = prog.concurrent_program_id
and req.program_application_id = prog.application_id
and prog.application_id = execname.application_id
and prog.executable_id=execname.executable_id ;