pseudo terminals
Dave Mitchell
davem at iabyn.com
Wed Sep 16 10:18:32 UTC 2009
On Wed, Sep 16, 2009 at 03:06:09PM -0400, devi wrote:
> Hi,
> The command
> echo "service httpd status " > /dev/pts/1 is executed on one terminal,
> let us assume it as t1.
> The echo command is executed on t1 but the output(service httpd status"
> is directed to /dev/pts/1 terminal.
>
> What I am saying is that the output is redirected directly to the
> terminal /dev/pts1/1.
> The output here is "service httpd status", which is generally a command.
> And so it gets executed.
No, the text just appears in the terminal associated with /dev/pts1/1;
it does not not cause the command to be executed. That is to say,
you can't use this as a mechanism to insert characters into a another
terminal's input buffer.
--
Red sky at night - gerroff my land!
Red sky at morning - gerroff my land!
-- old farmers' sayings #14
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