[Info-vax] UNIX/Linux features I wish VMS had

[Henry Crun]

On 30/06/16 14:28, Neil Rieck wrote:
> Some people reading this will not know that UNIX/Linux systems (depending upon the flavour) have up to 6 run levels which can be seen in this brief overview:
>
> https://linuxonfire.wordpress.com/2012/10/19/what-are-init-0-init-1-init-2-init-3-init-4-init-5-init-6-2/
>
> (on our Solaris systems "level = 3" means "fully running")
>
> So to partially close a system running at level 3, the sys admin need only type "init 1". This causes the execution of series of KILL scripts which will terminate processes associated with levels 3 then 2 but not one.
>
> To go to single user mtce mode the sys admin will type "init s"
> To shutdown the sys admin can type either "shutdown" or "init 0"
> You can also boot to any level including "s".
>
> Contrast this to VMS where you need to do a conversational boot then edit certain params to prevent the startup scripts from running.
>
> Neil Rieck
> Waterloo, Ontario, Canada.
> http://www3.sympatico.ca/n.rieck/
>
>
>
That reminds me of (why Linux -- mainly desktops -- are easier to shut down than 
servers):

To shut down a desktop - you flip the switch

to shut down a mini-computer - You get a confirmation from all the users, then 
you run the shutdown procedure

To shut down a mainframe - wadda you mean shut down!

-- 
Mike R.
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