I squinted at the code some more.  Here is the real Linux (and likely Mac) 
Field 4:

start with out=:'------'
if file is user readable, and not writable,  out=:'r' 0 } out
if '.' = 0{filename,  out=:'h' 1 } out
if file is a dir, out=:'d' 4 } out

Cheers,
David

On 9/14/2020 10:46, 'robert therriault' via Programming wrote:
6 fields for Mac as well

     1!:0 '.'
┌─┬──────────────────┬───┬───┬──────┬──────────┐
│.│2020 8 15 17 42 27│512│rwx│-h--d-│drwxr-xr-x│
└─┴──────────────────┴───┴───┴──────┴──────────┘
    JVERSION
Engine: j902/j64avx2/darwin
Beta-e: commercial/2020-08-14T13:00:52
Library: 9.02.05
Qt IDE: 1.8.7/5.12.7(5.12.7)
Platform: Darwin 64
Installer: J902 install
InstallPath: /users/bobtherriault/j902
Contact: www.jsoftware.com

Cheers, bob

On Sep 14, 2020, at 06:24, David Mitchell <davidmitch...@att.net> wrote:

Linux has returned 6 fields and Windows 5 for some time.

Looking at xd.c, the 6th field is this :
  Return mode_t formatted into 11-character buffer

Field 4 seems to be the owning directory information.

Cheers,
David

On 9/14/2020 03:34, ethiejiesa via Programming wrote:
Right now, NuVoc documents that the rows returned by (1!:0) have 5 fields, but
I am seeing 6 in my version and platform:
        1!:0 '.'
     ┌─┬──────────────────┬───┬───┬──────┬──────────┐
     │.│2019 9 14 10 51 16│264│rwx│-h--d-│drwxr-xr-x│
     └─┴──────────────────┴───┴───┴──────┴──────────┘
        JVERSION
     Engine: j901-f/j64/linux
     Release: GPL3/2020-08-04T13:27:14
     Library: 9.01.24
     Platform: Linux 64
     Installer: unknown
     InstallPath: /usr/share/j
     Contact: voidlinux.org
Would like to update the wiki, so could someone confirm what the 6th field is?
The 6th fields looks like what you see with `stat --format=%A', i.e. a
effectively a stat(2) syscall on linux. However, how do the "permissions" of
field 4 relate to this? Also, what does the 6th field look like for Windows
users?
Cheers!
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