[RPM] rpm verify (rpm -V)

shell> rpm -V util-linux     <--- same as 'rpm -Vf /bin/login'
S.5....T c /etc/pam.d/login

output format :
........ [c] filename

ex)
SM5DLUGT  c  filename
^^^^^^^^
   |
   `--> 검증 후 이상(변경)이 있을 경우에 출력됨

means :
  .      test passed(ok)
  ?      test could not be performed((e.g. file permissions prevent reading)

  S      File size
  M      Mode (includes permissions and file type)
  5      MD5 sum
  D      Device
  L      Symlink
  U      User
  G      Group
  T      Mtime
 
  c      configuration file


ex) all packages to verify
shell> rpm -Va