On Wed, 3 May 2017 08:38:23 -0500, Paul Gilmartin <[email protected]> wrote:
>On Wed, 3 May 2017 04:54:41 -0500, Jantje. wrote: >> >>I have 55 users (mostly for deamons, but not all) having UID=0. When I do a >>ls -l >>on any directory, I see the files belonging to root (owner uid = 0) are >>attributed to belong to one user ID out of that list of 55. I know the UID is >>what is holding the single truth about ownership, but I am wondering how the >>reverse look-up works. It does systematically choose the same name to show, >>whether this is for file ownership or for process ownership (ps -ef command). >> >>Is there documentation where this reverse lookup process is described? >> >I don't know. > >>Does anyone know how it works? >> >It may be the newest entry in a RACF cache. > >It should improve in z/OS 2.3: > > http://www-01.ibm.com/common/ssi/ShowDoc.wss?docURL=/common/ssi/rep_ca/5/897/ENUS217-085/index.html&request_locale=en > >-- gil Prior to 2.3, the value shown will be the oldest user historically to have been assigned UID(0). Which is to say, the first user ID displayed after issuing: SEARCH CLASS(USER) UID(0) This is not documented to my knowledge. Regards, Bruce R. Wells, CISSP z/OS Security Server Design and Development Phone: Tie 8-295-7498 External: (845) 435-7498 Internet: [email protected] Poughkeepsie, NY USA ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
