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.\" $Id: groupmod.8,v 1.7 2005/12/01 20:38:29 kloczek Exp $
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.\" Copyright 1991, 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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.TH GROUPMOD 8
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.SH 名稱
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groupmod \- 修 改 群 組
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.SH 語法
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\fBgroupmod\fR [\fB\-g\fR \fIgid \fR[\fB\-o\fR]] [\fB\-n\fR \fIgroup_name \fR] \fIgroup\fR
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.SH 描述
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\fBgroupmod\fR 命 令 會 參 照 你 命 令 列 上 指 定 的 部 份
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修 改 系 統 帳 號 檔 。 下 列 為 \fIgroupmod\fR 可 選 用 的 參 數 。
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.IP "\fB\-g\fR \fIgid\fR"
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群 組 I D 值 。
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必 須 為 唯 一 的 ID 值 ， 除 非 用 \-o 選 項 。
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數 字 不 可 為 負 值。預 設 為 最
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小 不 得 小 於 999 而 逐 次 增 加 。 0~ 499 傳 統 上
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是 保 留 給 系 統 帳 號 使 用 。
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如 果 有 檔 案 使 用 舊 的 群 組 ID ， 而 這 時 候 你 新 增 的 群 組 ID
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恰 好 與 舊 的 相 同 ， 這 樣 的 話
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你 要 手 動 改 一 下 這 些 檔 案 的 群 組 ID 。
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.IP "\fB\-n\fR \fIgroup_name\fR"
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更 改 群 組 名 。
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.SH 檔案
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\fI/etc/group\fR \- 群 組 資 訊
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.br
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\fI/etc/gshadow\fR \- 群 組 資 訊 加 密
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.SH 相關文件
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.BR chfn (1),
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.BR chsh (1),
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.BR useradd (8),
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.BR userdel (8),
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.BR usermod (8),
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.BR passwd (1),
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.BR groupadd (8),
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.BR groupdel (8)
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.SH 作者
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Julianne Frances Haugh (jfh@tab.com)
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