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Annotation of researchv10dc/man/man8/su.8, revision 1.1.1.1

1.1       root        1: .TH SU 8
                      2: .CT 1 sa_nonmortals secur
                      3: .SH NAME
                      4: su, setlog \- substitute userid temporarily, become super-user
                      5: .SH SYNOPSIS
                      6: .B /etc/su
                      7: [
                      8: .I user
                      9: ]
                     10: .PP
                     11: .B /etc/setlog
                     12: .I logname
                     13: .I command ...
                     14: .SH DESCRIPTION
                     15: .I Su
                     16: changes the userid to that of
                     17: .I user
                     18: (root by default)
                     19: with groupid and login shell determined from 
                     20: the password file.
                     21: If the current userid is not the super-user,
                     22: the password for the new user is demanded.
                     23: The userid stays in force until the new shell exits.
                     24: .PP
                     25: The current directory and environment
                     26: are unchanged unless the new userid is super-user,
                     27: in which case the environment variables 
                     28: .B PS1
                     29: and
                     30: .BR PATH ,
                     31: if present, are set to standard values
                     32: (white space and 
                     33: .BR /bin:/usr/bin:/etc ).
                     34: .PP
                     35: .I Setlog
                     36: executes the specified
                     37: .I command
                     38: with login name
                     39: .IR logname .
                     40: The environment is otherwise unchanged;
                     41: in particular,
                     42: the userid is not set.
                     43: Only the super-user may use this command.
                     44: .SH "SEE ALSO"
                     45: .IR sh (1),
                     46: .IR getuid (2),
                     47: .IR passwd (5)

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