'\" t
.\"     Title: nologin
.\"    Author: Nicolas Fran\(,cois <nicolas.francois@centraliens.net>
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: 2018-07-27
.\"    Manual: 系统管理命令
.\"    Source: shadow-utils 4.5
.\"  Language: Chinese Simplified
.\"
.TH "NOLOGIN" "8" "2018-07-27" "shadow\-utils 4\&.5" "系统管理命令"
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.SH "名称"
nologin \- 礼貌地拒绝登录
.SH "大纲"
.HP \w'\fBnologin\fR\ 'u
\fBnologin\fR
.SH "描述"
.PP
\fBnologin\fR
命令显示一个信息，说账户不可用然后返回非零值。它用于代替已经禁用的账户的 shell 字段。
.PP
如果要禁用所有登录，请参考
\fBnologin\fR(5)。
.SH "参见"
.PP
\fBlogin\fR(1),
\fBnologin\fR(5)\&.
.SH "历史"
.PP
The
\fBnologin\fR
command appeared in BSD 4\&.4\&.