[Info-vax] What does VMS get used for, these days?

Arne Vajhøj arne at vajhoej.dk
Sat Nov 12 08:46:37 EST 2022


On 11/11/2022 10:25 PM, Craig A. Berry wrote:
> On 11/11/22 6:37 PM, Arne Vajhøj wrote:
>> On 11/10/2022 7:19 PM, Phillip Helbig (undress to reply) wrote:
>>> In article <tkk3rr$em$1 at gioia.aioe.org>, =?UTF-8?Q?Arne_Vajh=c3=b8j?=
>>> <arne at vajhoej.dk> writes:
>>>>> Consider the fact that the user submitting the file might not have 
>>>>> write
>>>>> permission to the current directory or to the directory where the
>>>>> procedure is located, but very probably does to SYS$LOGIN.
>>>>
>>>> Not having write access to the dir must be a special case.
>>>
>>> I don't know.  Certainly there are environments where there is some
>>> official software or whatever where normal users are not allowed to
>>> write.  Think SYS$SYSTEM.  Should every user have access there?  Think
>>> of a company's software package in some directory.  Same thing.
>>
>> I am not saying that such cases does not exist - I am just saying that
>> they must be rare.
> 
> Not at all.  It's actually the most common use case in my experience.
> 
>> I don't expect many users to SUBMIT COM files residing in
>> SYS$SYSTEM.
> 
> More likely SYS$MANAGER or a site-specific common directory, but rarely
> a directory to which all users have write access.
> 
>> And the two most common cases for software packages must be
>> system wide install with any batch job started by SYSTEM and
>> user installs in the users dir tree started by that user.
>> Leaving only the more unusual cases.
> 
> What you consider unusual is actually all I've ever seen in a production
> environment.  And I've seen lots of non-system users submitting batch
> jobs from system or site directories to which they do not have write 
> access.

OK.

Based on a quick survey on c.o.v then I will conclude that
my assumptions about the usage of batch jobs was wrong.

And as consequence trying to put log file in same
dir as com file is not a good idea.

Arne





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