xrdcp test.root root://eoscms//eos/cms/store/user/cmkuo/test.root
xrdcp myfolder root://eosatlas//eos/cms/store/user/cmkuo/
xrdcp root://eoscms//eos/cms/store/user/cmkuo/foldername/file.ext path/filename.ext
eos ls -l /eos/cms/store/user/cmkuo/
, file size is in bytes
xrdcp root://eoscms//eos/cms/user/cmkuo/file1.root root://eoscms//eos/cms/user/cmkuo/file2.root
eos mkdir /eos/cms/store/user/cmkuo/
eos rm /eos/cms/store/user/cmkuo/test.root
eos rm -r /eos/cms/store/user/cmkuo/myfiles
/eos/cms/store/caf/user/cmkuo/
eosmount /tmp/cmkuo/eos
eosumount /tmp/cmkuo/eos