37 lines
1.0 KiB
Groff
37 lines
1.0 KiB
Groff
.\" Copyright 1992 Rickard E. Faith (faith@cs.unc.edu)
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.\" May be distributed under the GNU General Public License
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.TH PASSWD 1 "22 June 1994" "Linux 1.0" "Linux Programmer's Manual"
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.SH NAME
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passwd \- change password
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.SH SYNOPSIS
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.BR "passwd [ " name " ]"
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.SH DESCRIPTION
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.B passwd
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will change the specified user's password. Only the superuser is allowed
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to change other user's passwords. If the user is not root, then the old
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password is prompted for and verified.
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A new password is prompted for twice, to avoid typing mistakes. Unless the
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user is the superuser, the new password must have more than six characters,
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and must have either both upper and lower case letters, or non-letters.
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Some passwords which are similar to the user's name are not allowed.
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.SH FILES
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.I /etc/passwd
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.br
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.I /etc/shells
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.SH "SEE ALSO"
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.BR chsh (1),
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.BR chfn (1)
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.SH BUGS
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A password consisting of all digits is allowed.
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.br
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No warnings are printed if the superuser chooses a poor password.
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.br
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The
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.B \-f
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and
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.B \-s
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options are not supported.
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.SH AUTHOR
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Peter Orbaek (poe@daimi.aau.dk)
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