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<H1>Administration Reference</H1>
<HR><P ALIGN="center"> <A HREF="../index.htm"><IMG SRC="../books.gif" BORDER="0" ALT="[Return to Library]"></A> <A HREF="auarf002.htm#ToC"><IMG SRC="../toc.gif" BORDER="0" ALT="[Contents]"></A> <A HREF="auarf034.htm"><IMG SRC="../prev.gif" BORDER="0" ALT="[Previous Topic]"></A> <A HREF="#Bot_Of_Page"><IMG SRC="../bot.gif" BORDER="0" ALT="[Bottom of Topic]"></A> <A HREF="auarf036.htm"><IMG SRC="../next.gif" BORDER="0" ALT="[Next Topic]"></A> <A HREF="auarf284.htm#HDRINDEX"><IMG SRC="../index.gif" BORDER="0" ALT="[Index]"></A> <P>
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<H2><A NAME="HDRUSERLIST" HREF="auarf002.htm#ToC_33">UserList</A></H2>
<P><STRONG>Purpose</STRONG>
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<P>Defines privileged administrators
<P><STRONG>Description</STRONG>
<P>The <B>UserList</B> file lists the AFS usernames of the system
administrators authorized to issue privileged <B>bos</B>, <B>vos</B>,
and <B>backup</B> commands that affect the local server machine or the
volumes housed on it. It must reside in the <B>/usr/afs/etc</B>
directory on every server machine.
<P>Although the <B>UserList</B> file is in ASCII format, do not use a text
editor to alter it. Instead always use the appropriate commands from
the <B>bos</B> command suite:
<UL>
<P><LI>The <B>bos adduser</B> command to add a user to the file
<P><LI>The <B>bos listusers</B> command to display the contents of the file
<P><LI>The <B>bos removeuser</B> command to remove a user from the file
</UL>
<P>Although it is theoretically possible to list different administrators in
the <B>UserList</B> files on different server machines, doing so can cause
unanticipated authorization failures and is not recommended. In cells
that run the United States edition of AFS and use the Update Server to
distribute the contents of the <B>/usr/afs/etc</B> directory, it is
customary to edit only the copy of the file stored on the system control
machine. In cells that run the international version of AFS, edit the
file on each server machine individually.
<P><STRONG>Related Information</STRONG>
<P><A HREF="auarf096.htm#HDRBOS_ADDUSER">bos adduser</A>
<P><A HREF="auarf108.htm#HDRBOS_LISTUSERS">bos listusers</A>
<P><A HREF="auarf112.htm#HDRBOS_REMOVEUSER">bos removeuser</A>
<P><A HREF="auarf240.htm#HDRUPCLIENT">upclient</A>
<P><A HREF="auarf241.htm#HDRUPSERVER">upserver</A>
<P>
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