On Fri, May 11, 2018 at 9:06 AM, Charles Mills <[email protected]> wrote:

> Oh for gosh sakes! Every operating system is different. There is no
> eleventh commandment "filenames shall be 44 uppercase characters" that UNIX
> violated. Tell him a foolish consistency is the hobgoblin of little minds.
> Or that the inability to learn new things is a sign of old age.
>
> Or point out that z/OS is case-dependent. Don't think so? Try referencing
> 'sys1.maclib'.
>

​Or, if you want to break someone's mind use

//SYSUT2 DD DSN='&SYSUID.x.DATA'

On my system (likely because my ID is very powerful), a data set is
actually created on a volume. So DADSM will accept the DSN. I had to use
STORCLAS=NONSMS to force non-SMS allocation. If I didn't, SMS would fail
the allocation (yah!). However, I couldn't get it catalogued. And when
using JCL to allocate it, I get:

3 IEF648I INVALID DISP FIELD- KEEP SUBSTITUTED
3 IGD01008I NULL STORCLAS ASSIGNED


​I now have a DSN on a non-SMS volume which is not catalogued (which is
valid). But, although it is displayed by ISPF 3.4, it cannot be used in any
way that I have found. I get the weird message "Invalid change"​. I guess
ISPF is uppercasing the DSN and then whining that the values are different.

Now that I think about it, I remember many years ago, at my first job, they
were converting from DOS to VS1. The DOS system actually had a DSN on a
volume named 'WATER MONSTER FILE' (aka Water Master File -- city water
dept.). And I could "use it" on VS1. But not really, because it was a DOS
ISAM dataset.

I appreciate the response so far. I'm really getting the idea that people
are more "resigned" to UNIX as part of z/OS, rather than "enthusiastic"
about it.



>
> Charles
>
>
-- 
We all have skeletons in our closet.
Mine are so old, they have osteoporosis.

Maranatha! <><
John McKown

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