Maximum UID

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* From ''Solaris 2.5.1 Server Release Notes''[http://docs.sun.com/app/docs/doc/802-5366/6i94lvccc?l=ru&a=view]:
* From ''Solaris 2.5.1 Server Release Notes''[http://docs.sun.com/app/docs/doc/802-5366/6i94lvccc?l=ru&a=view]:
Previous Solaris 2.x software releases used 32-bit data types to contain the user IDs (UIDs) and group IDs (GIDs), but UIDs and GIDs were constrained to a maximum useful value of 60000. In the Solaris 2.5.1 release, the limit on UID and GID values has been raised to the maximum value of a signed integer, or 2147483647."
Previous Solaris 2.x software releases used 32-bit data types to contain the user IDs (UIDs) and group IDs (GIDs), but UIDs and GIDs were constrained to a maximum useful value of 60000. In the Solaris 2.5.1 release, the limit on UID and GID values has been raised to the maximum value of a signed integer, or 2147483647."
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"Caution - UIDs and GIDs over 60000 do not have full functionality and are incompatible with many Solaris features, so avoid using UIDs or GIDs over 60000. See Table 2-1 for a complete list of interoperability issues with Solaris 2.x products and commands."[http://docs.sun.com/app/docs/doc/802-5366/6i94lvccc?l=ru&a=view]
"Caution - UIDs and GIDs over 60000 do not have full functionality and are incompatible with many Solaris features, so avoid using UIDs or GIDs over 60000. See Table 2-1 for a complete list of interoperability issues with Solaris 2.x products and commands."[http://docs.sun.com/app/docs/doc/802-5366/6i94lvccc?l=ru&a=view]
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* "However, UIDs and GIDs over 60000 do not have full functionality and are incompatible with many Solaris features. So, avoid using UIDs or GIDs over 60000."[http://docs.sun.com/app/docs/doc/817-1985/userconcept-36940?a=view]
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* From ''Solaris 10 System Administration Guide: Basic Administration''[http://docs.sun.com/app/docs/doc/817-1985/userconcept-36940?a=view]:
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"However, UIDs and GIDs over 60000 do not have full functionality and are incompatible with many Solaris features. So, avoid using UIDs or GIDs over 60000."
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* [http://osdir.com/ml/os.solaris.managers.summaries/2003-08/msg00084.html SUMMARY: Maximum UID Number for Solaris 6/7/8]
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== Linux ==
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* Starting with kernel 2.4, Linux supports 32-bit UIDs and GIDs.

Current revision

Solaris

  • From Solaris 2.5.1 Server Release Notes[1]:

Previous Solaris 2.x software releases used 32-bit data types to contain the user IDs (UIDs) and group IDs (GIDs), but UIDs and GIDs were constrained to a maximum useful value of 60000. In the Solaris 2.5.1 release, the limit on UID and GID values has been raised to the maximum value of a signed integer, or 2147483647."

...

"Caution - UIDs and GIDs over 60000 do not have full functionality and are incompatible with many Solaris features, so avoid using UIDs or GIDs over 60000. See Table 2-1 for a complete list of interoperability issues with Solaris 2.x products and commands."[2]

  • From Solaris 10 System Administration Guide: Basic Administration[3]:

"However, UIDs and GIDs over 60000 do not have full functionality and are incompatible with many Solaris features. So, avoid using UIDs or GIDs over 60000."

Linux

  • Starting with kernel 2.4, Linux supports 32-bit UIDs and GIDs.
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