해당 부분에 대한 옵션은 -pr 이었네요.cp -pr /home/src_home /home/tar_home sudo cp -rp /home/my_home /media/backup/my_home From cp manpage: -p same as --preserve=mode,ownership,timestamps --preserve[=ATTR_LIST] preserve the specified attributes (default: mode,ownership,timestamps), if possible additional attributes: context, links, xattr, all 참고 : http://unix.stackexchange.com/questions/43605/how-do-i-copy-a-f..