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mysql-server-X.X rpm package responsible for the mysql service (daemon).
initialization script for this server is located at /etc/init.d/mysql.
it is system v service uses Linux socket port etc...
The main configuration file read at the time of its startup is /etc/my.cnf.
there are few dependencies which your machine must fulfill to run the server for e.g. mysql-devel-X.X etc....

the mysql client need mysql-X.X rpm package.

The mysql commands and queries are same as windows.
you can get more info using

# man mysql
# man mysqladmin

# rpm -ql mysql-server
# rpm -ql mysql

refer /usr/share/doc/mysql-server-X.X/my-*.cnf for details description of each option you can use to customize service.