67 lines
2.9 KiB
Groff
67 lines
2.9 KiB
Groff
.\" Copyright 1989 - 1993, Julianne Frances Haugh
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. Neither the name of Julianne F. Haugh nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY JULIE HAUGH AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL JULIE HAUGH OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $Id: pwconv-old.8,v 1.1 1997/09/29 22:01:31 marekm Exp $
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.\"
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.TH PWCONV 8
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.SH NAME
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pwconv \- convert and update shadow password files
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.SH SYNOPSIS
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.B pwconv
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.SH DESCRIPTION
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\fBPwconv\fR copies the old password file information to a new shadow
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password file,
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merging entries from an optional existing shadow file.
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The new password file is left in \fInpasswd\fR,
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the new shadow file is left in \fInshadow\fR.
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Both of these are files are created with modes which only permit
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read access to the owner.
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Existing shadow entries are copied as is.
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Shadow entries in the System V Release 3.2 format will be silently
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converted to the new System V Release 4 format on output.
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Any entries which are missing fields will have those fields
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filled in with default values where appropriate.
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New entries are created with passwords which expire in 10000 days,
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with a last changed date of today,
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unless password aging information was already present.
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Entries with blank passwords are not copied to the shadow file at all.
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.SH FILES
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/etc/passwd \- old encrypted passwords and password aging
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.br
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/etc/shadow \- previously converted shadow password file
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.br
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./npasswd \- new password file
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.br
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./nshadow \- new shadow password file
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.SH SEE ALSO
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.BR passwd (1),
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.BR passwd (5),
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.BR shadow (5),
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.BR pwunconv (8)
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.SH AUTHOR
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Julianne Frances Haugh (jfh@tab.com)
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