Linux os level backup and cleanup cmds

REMOVE ALL FILES OLDER THAN 15 DAYS:

[oracle@Linux01 dpump]$
find /u01/app/oracle/dpump/*.dmp -mtime +15 -exec rm {} \;

GZIP ALL FILES OLDER THAN 15 DAYS: (This will make individual GZIP files)

[oracle@Linux01 dpump]$
find /u01/app/oracle/dpump/*.dmp -mtime +90 -exec gzip {} \;


MOVE FILES OLDER THAN 15DAYS

find /home/arvind -maxdepth 1 -iname "*.txt" -mtime -15 -exec mv {} /home/arvind/test1/ \;


COUNT FILES OLDER THAN 90 DAYS

find /u01/app/oracle/admin/adump/*.aud -mtime +90 | exec wc -l {} \;


TAR ALL FILES OLDER THAN 15 DAYS: 
(This will make 1 TAR FILE With date format at end)

[oracle@Linux01 dpump]$

find /u01/app/oracle/admin/ORCL/adump/*.aud -mtime +90 | xargs  tar -czvPf  /u01/app/oracle/admin/ORCL/adump/ARCH_AUD_$(date +%F).tar.gz