[Info-vax] Stupid question of the day, re: OpenVMS process names

[Phillip Helbig undress to reply]

In article <d874fa72-ff6b-47de-9231-83fec7dba50e at googlegroups.com>, Tim
Lovern <1tim.lovern at gmail.com> writes: 

> Ok, I cannot have two processes with the same process name, but I can
> set my process name to be the same as that of a different user. 

Right.

> I get that process names are not guaranteed to be unique. So what is
> actually happening behind the curtain? Is the process name hashed with
> the UIC internally, and this is what prevents me from having two
> identically named processes but allows me to have the same name as
> somebody else's process? 

I don't know the details, but I think that the combination of username, 
node name, and process name has to be unique.  What is unique, even 
within a cluster, is the PID (which rather obviously contains the node 
name).