Serial Port Programing

[zawii87]

Can any body help me who have experience on setting the serial port using Linux which include

How to open the serial port ?
How to set/configure serial port like setting Baud rate, how to set parity , stop bit ?
How to write and read from the serial port ?

Any body have used these options regarding serial Communication can help me

Thanks in advance

[Azagaros]

one previous link on this board:
http://www.cplusplus.com/forum/beginner/6914/

and you can search the web for other resources in c and c++