Re: /sbin/reboot: symbolic link to `halt'
Chris Bannister wrote:
> Hi,
>
> I noticed that /sbin/reboot is a symbolic link to /sbin/halt. How does
> the system "know" the difference?
>
By checking the name with which the program was called. In C it's
available as the first element in the array of command-line arguments
that the program receives; other languages have similar means.
There are several programs that behave like this, a look at /usr/bin
will reveal others.
--
The major difference between bonds and bond traders is that the bonds will
eventually mature.
Eduardo M KALINOWSKI
eduardo@kalinowski.com.br
Reply to: