Re: pseudo terminals

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On 09/10/2009 08:12 AM, devi wrote:
	I think , I have not explained it correctly, in the first mail.  I mean
"echo "service httpd status">  /dev/pts/2", is executed in first
terminal(/dev/pts/1),  and the output is redirected to the /dev/pts/2.
That is correct. The "echo" command will execute in the terminal into
which you entered the command, and the output ("service httpd status")
will be redirected to /dev/pts/2.
Here /dev/pts/2 is the terminal of another machine to which we are
connnected and is a virtual machine.
But the output directed here is a command, so what happens is that,
the output of the first terminal, is actually executed as a command in
the /dev/pts/2 terminal, because the output is redirected directly to
the terminal.
That is not correct, and also contradicts your previous statements.
Please test this again. Redirecting output to a different tty will not
cause a command to be executed there.
And I know the pty of the first terminal, I got it by command "tty".

Now, my requirement is that, after the command "service httpd status" is
executed on the /dev/pts/2.  I want to redirect or get the output on the
first terminal(/dev/pts/1).
Why do you need to execute a command in /dev/pts/2 without entering the
command there?
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