On Thu, 10 Nov 2022 17:09:43 -0600, Paul Gilmartin <[email protected]> wrote:

>On Thu, 10 Nov 2022 15:52:01 -0500, Steve Smith wrote:
>
>>I set up Filezilla with two "hosts": one as MVS, one as Unix.  Both work
>>great in/out of the respective domains.  Also, set the home directory
>>appropriately for each.
>> 
>Was the "Unix" host actually z/OS UNIX System Services?

Yes (I do the same "2 host definitions" with multiple FTP clients)
>
>Why should two (virtual) hosts be necessary?  Doesn't the z/OS FTP
>server recognize from the argument of the CWD command whether
>you are accessing a UNIX or DSN filesystem?

The problem is the client, not the server.  If using a DOS prompt you can switch
back and forth all you want between "classic" MVS and z/OS Unix.  None of 
clients
I've worked with allow it from the GUI.  If you FTP into classic z/OS and then
type "/" for the file name in the site directory / search bar (whatever you 
want to call it)  
you will get a syntax error.   If you start the FTP in unix mode it will think 
you
are looking for a unix directory of whatever name you use (enclosing in quotes
ends up generating cwd /'whatever').


>
>But are there possibly ambiguous directory names?

No since you are in either "z/OS" or "unix" mode in the GUI.  

>
>Does either the Filezilla client or the z/OS server respect the "//" prefix
>as indicating a DSN?

No.  But why would you need or use that syntax since you are either FTPing
into z/OS or Unix in any given connection.  BTW, FileZilla does allow multiple
active FTPs so you could FTP into both at the same time and it will be in two 
tabs. 

Best Regards,

Mark
--
Mark Zelden - Zelden Consulting Services - z/OS, OS/390 and MVS
ITIL v3 Foundation Certified
mailto:[email protected]
Mark's MVS Utilities: http://www.mzelden.com/mvsutil.html

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