[root@localhost bin]# ./mysql_install_db
Installing all prepared tables
020120 13:31:49 /usr/local/mysql/libexec/mysqld: Shutdown Complete
  To start mysqld at boot time you have to copy support-files/mysql.server
to the right place for your system
 PLEASE REMEMBER TO SET A PASSWORD FOR THE MySQL root USER !
This is done with:
/usr/local/mysql/bin/mysqladmin -u root -p password 'new-password'
/usr/local/mysql/bin/mysqladmin -u root -h localhost.localdomain -p password 'new-password'
See the manual for more instructions.
 NOTE: If you are upgrading from a MySQL <= 3.22.10 you should run
the /usr/local/mysql/bin/mysql_fix_privilege_tables. Otherwise you will not be
able to use the new GRANT command!
 You can start the MySQL daemon with:
cd /usr/local/mysql ; /usr/local/mysql/bin/safe_mysqld &
 You can test the MySQL daemon with the benchmarks in the 'sql-bench' directory:
cd sql-bench ; run-all-tests
 Please report any problems with the /usr/local/mysql/bin/mysqlbug script!
 The latest information about MySQL is available on the web at
http://www.mysql.com Support MySQL by buying support/licenses at https://order.mysql.com    mysql설치를 다하고.. .
/mysql_install_db 이명령만 치면...data폴더를 만들지 못하고..이런메세지만  뜹니다..
 고수님들 좀 가르쳐주세요..