45 lines
1 KiB
Groff
45 lines
1 KiB
Groff
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.TH PASSWD 1
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.SH NAME
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passwd, chfn, chsh \- change a login password, full name or shell
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.SH SYNOPSIS
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\fBpasswd\fR [\fIuser\fR]\fR
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.br
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\fBchfn\fR [\fIuser\fR] \fIfullname\fR\fR
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.br
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\fBchsh\fR [\fIuser\fR] \fIshell\fR\fR
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.br
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.de FL
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.TP
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\\fB\\$1\\fR
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\\$2
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..
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.de EX
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.TP 20
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\\fB\\$1\\fR
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# \\$2
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..
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.SH EXAMPLES
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.EX "passwd" "Change current user's password"
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.EX "passwd ast" "Change ast's password (super\-user only)"
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.EX "chsh /usr/bin/mail" "For those who only read mail"
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.EX "chfn 'Jane Doe'" "Current user is Jane Doe"
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.SH DESCRIPTION
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.PP
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.I Passwd
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is used to change your password.
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It prompts for the old and new passwords.
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It asks for the new password twice, to reduce the effect of a typing error.
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.I Chfn
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changes the full name (GECOS field) in the password file.
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.I Chsh
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changes your login shell.
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Do not forget to copy the modified password file back to the root file system,
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or the changes will be lost when the system is rebooted.
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.SH "SEE ALSO"
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.BR login (1),
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.BR su (1),
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.BR crypt (3),
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.BR getpwent (3),
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.BR passwd (5),
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.BR adduser (8).
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