ls

cd

reboot

mkdir

rmdir

rm -fr

cp

cat

mv

yum -y install httpd php mysql mysql-server php-mysql

ln -s /var/lib/mysql/mysqld.sock /tmp/mysqld.sock

ps aux|grep mysql

rpm -ql httpd --------------->查询所有安装httpd的目录和文件,列出很多文件目录,把所有目录分开进行讲解

find / -name mysql

rpm -qa|grep -i httpd

rpm -e httpd-devel-2.2.15-47.el6.centos.x86_64 卸载