com port list

[Tzafrir Cohen]

On Tue, Aug 31, 2010 at 12:28:19PM +0300, Erez D wrote:

> i also have 4 which are ttyS0..ttyS3, although i do not have any serial port
> connected
> and there is no link to the actual dev (although there is a file which
> includes the major and minor device numbers)

How can your system tell that you have nothing connected there?

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