In message Pine.OSF.4.21.0404291639440.1949-100000@ws9.cdotb.ernet.in you wrote:

Any other serial line protocol is there, which works fine with minicom ?

If you ask for my $ 0.02: minicom is broken. I recommend not to use it.

I know that others like it, and use it successfully, so chose whatever you like, but don't say you have not been warned.

I tried to configure uucp as given in the DULG manual.

When I tried to upload a file from minicom, it gives me the following error.....

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/usr/bin/cu: hello_world: System not found READY: press any key to continue...

Don't use cu from minicom; use cu directly from the command line.

If I run "cu" dirctly from the command prompt I am getting the following error.

[root@genome root]# cu S0@9600 cu: open (/dev/ttyS0): Permission denied cu: S0@9600: All matching ports in use [root@genome root]#

So I checked the permissions od /dev/ttyS0.

[root@genome root]# ls -l /dev/ttyS0 crwxr-xr-x 1 root uucp 4, 64 Apr 29 17:07 /dev/ttyS0 [root@genome root]#

What could be the problem ?

group uucp should have write permission on the device, and in the lock directory.

Best regards,

Wolfgang Denk