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Annotation of 43BSDTahoe/man/man1/su.1, revision 1.1.1.1

1.1       root        1: .\" Copyright (c) 1980 Regents of the University of California.
                      2: .\" All rights reserved.  The Berkeley software License Agreement
                      3: .\" specifies the terms and conditions for redistribution.
                      4: .\"
                      5: .\"    @(#)su.1        6.2 (Berkeley) 5/5/86
                      6: .\"
                      7: .TH SU 1 "May 5, 1986"
                      8: .UC
                      9: .SH NAME
                     10: su \- substitute user id temporarily
                     11: .SH SYNOPSIS
                     12: .B su
                     13: [ \-f ] [ \- ] [ userid ]
                     14: .SH DESCRIPTION
                     15: .I Su
                     16: demands the password of the specified
                     17: .I userid,
                     18: and if it is given,
                     19: changes to that 
                     20: .I userid
                     21: and invokes the Shell
                     22: .IR sh (1)
                     23: or
                     24: .IR csh (1)
                     25: without changing the current directory.
                     26: The user environment
                     27: is unchanged except for HOME and SHELL,
                     28: which are taken from the password file
                     29: for the user being substituted
                     30: (see
                     31: .IR environ (7)).
                     32: The new user ID stays in force until the Shell exits.
                     33: .PP
                     34: If no 
                     35: .I userid
                     36: is specified, ``root'' is assumed.
                     37: Only users in the ``wheel'' group (group 0) can
                     38: .I su
                     39: to ``root'', even with the root password.
                     40: To remind the super-user of his responsibilities,
                     41: the Shell substitutes `#' for its usual prompt.
                     42: .PP
                     43: The
                     44: .B \-f
                     45: option prevents
                     46: .IR csh (1)
                     47: from executing the .cshrc file; thus making
                     48: .I su
                     49: start up faster.
                     50: .PP
                     51: The
                     52: .B \-
                     53: option simulates a full login.
                     54: .SH "SEE ALSO"
                     55: sh(1), csh(1)

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