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KINIT(1)						 KINIT(1)

NAME
       kinit - Kerberos login utility

SYNOPSIS
       kinit [ -irvl ]

DESCRIPTION
       The kinit command is used to login to the Kerberos authen-
       tication and authorization system.  Note that only  regis-
       tered  Kerberos	users  can  use the Kerberos system.  For
       information about registering as a Kerberos user, see  the
       kerberos(1) manual page.

       When  you  use  kinit without options, the utility prompts
       for your username and  Kerberos	password,  and	tries  to
       authenticate your login with the local Kerberos server.

       If   Kerberos   authenticates  the  login  attempt,  kinit
       retrieves your initial ticket and puts it  in  the  ticket
       file specified by your KRBTKFILE environment variable.  If
       this variable is undefined, your ticket will be stored  in
       the  /tmp directory, in the file tktuid , where uid speci-
       fies your user identification number.

       Make sure you use the  kdestroy	command	 to  destroy  any
       active tickets before you end your login session.  You may
       want to put the kdestroy command in your .logout	 file  so
       that your tickets will be destroyed automatically when you
       logout.

       The options to kinit are as follows:

       -i     kinit prompts you for a Kerberos instance.

       -r     kinit prompts  you  for  a  Kerberos  realm.   This
	      option lets you authenticate yourself with a remote
	      Kerberos server.

       -v     Verbose mode.  kinit prints the name of the  ticket
	      file used, and a status message indicating the suc-
	      cess or failure of your login attempt.

       -l     kinit prompts you for a ticket lifetime in minutes.
	      Due to protocol restrictions in Kerberos Version 4,
	      this value must be between 5 and 1275 minutes.

SEE ALSO
       kerberos(1), kdestroy(1), klist(1)

AUTHORS
       Steve Miller, MIT Project Athena/Digital Equipment  Corpo-
       ration
       Clifford Neuman, MIT Project Athena

MIT Project Athena     Kerberos Version 4.0			1

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