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其他
7z
gpasswd - Linux命令大全 - 笔下光年
网站首页
gpasswd
Linux下工作组文件的管理工具 ## 补充说明 **gpasswd命令** 是Linux下工作组文件`/etc/group`和`/etc/gshadow`管理工具。 ### 语法 ```shell gpasswd(选项)(参数) ``` ### 选项 ```shell -a:添加用户到组; -d:从组删除用户; -A:指定管理员; -M:指定组成员和-A的用途差不多; -r:删除密码; -R:限制用户登入组,只有组中的成员才可以用newgrp加入该组。 ``` ### 参数 组:指定要管理的工作组。 ### 实例 如系统有个peter账户,该账户本身不是groupname群组的成员,使用newgrp需要输入密码即可。 ```shell gpasswd groupname ``` 让使用者暂时加入成为该组成员,之后peter建立的文件group也会是groupname。所以该方式可以暂时让peter建立文件时使用其他的组,而不是peter本身所在的组。 所以使用`gpasswd groupname`设定密码,就是让知道该群组密码的人可以暂时切换具备groupname群组功能的。 ```shell gpasswd -A peter users ``` 这样peter就是users群组的管理员,就可以执行下面的操作: ```shell gpasswd -a mary users gpasswd -a allen users ``` 注意:添加用户到某一个组 可以使用`usermod -G group_name user_name`这个命令可以添加一个用户到指定的组,但是以前添加的组就会清空掉。 所以想要添加一个用户到一个组,同时保留以前添加的组时,请使用gpasswd这个命令来添加操作用户: ```shell gpasswd -a user_name group_name ```
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