SUMMARY: Maximum UID Number for Solaris 6/7/8

From: Larry Anta <lanta_at_ryerson.ca>
Date: Wed Aug 20 2003 - 14:50:26 EDT
Many thanks to the following people for their advice and/or for pointing me
at http://docs.sun.com/db/doc/805-3727/6j3ht4dei?q=2147483647&a=view


Aly Dharshi
Casper Dik
Paul Kenneth
Gabel Martin
Alan Pae
Eliezer Ramm
Len Smith
John Timon

The following loosely paraphrases Sun.  Please see the URL above for the
full details.

> For Solaris 6, 7, 8, and 9, Sun recommends avoiding creating accounts with
> UID numbers greater than 60,000.
>
> If you absolutely must do so, please bear the following in mind:
>
> (1)    UIDs 60001, 60002, and 65534 are reserved for nobody, noaccess, and
> nobody4, respectively.
> (2)    UIDs > 60000 will not display correctly if the OpenWindows File
> Manager is used with the extended file listing display option .
> (3)    The cpio command's default archive format will not work for UIDs >
> 65534.
> (4)    The ps -l command truncates UID numbers to 5 digits (ie. max
99999).
> (5)    The pax command will fail for UIDs > 262144.
> (6)    The ar command will fail for UIDs > 999999.
> (7)    The tar command will fail for UIDs > 2097152.
>
> The above restrictions are for our current operating environment only,
> a mixture of Solaris 6, 7, 8, and 9, all SPARC.  If we throw x86
> Solaris or pre-SPARC 6 Solaris into the mix, the restrictions are
> more severe.
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Received on Wed Aug 20 14:50:20 2003

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