shutdown command

[Ioannis Vranos]

On Tue, Feb 14, 2012 at 12:58 PM, Chris Green <cl at isbd.net> wrote:
> The command line shutdown command has been around since the early days
> of Unix.  Many other commands are just different ways of calling it.
>
> Looking at /sbin it seems that halt and poweroff are symbolic links to
> reboot but shutdown is actually different.  However the man page for
> reboot says that (except for some specific options) reboot calls
> shutdown.
>
> So basically it's shutdown at the bottom of all these commands.

I can't understand the following. poweroff and halt, are symbolic
links of /sbin/reboot. How all 3 have different outcome (poweoff,
halt, and reboot respectively)?


-- 
Ioannis Vranos

http://cppsoftware.binhoster.com