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shadow-utils 4.8.1
2020-03-24

login

system login tools

shadow-utils

Utilities for managing accounts and shadow password files

shadow

Password and account management tool suite with support for shadow files and PAM

名称

sg - 以不同的组 ID 执行命令

大纲

sg [-] [group [-c ] command]

描述

The sg command works similar to newgrp but accepts a command. The command will be executed with the /bin/sh shell. With most shells you may run sg from, you need to enclose multi-word commands in quotes. Another difference between newgrp and sg is that some shells treat newgrp specially, replacing themselves with a new instance of a shell that newgrp creates. This doesnt happen with sg, so upon exit from a sg command you are returned to your previous group ID.

配置文件

The following configuration variables in /etc/login.defs change the behavior of this tool:
SYSLOG_SG_ENAB (boolean)
Enable "syslog" logging of sg activity.

文件

/etc/passwd
用户账户信息。
/etc/shadow
安全用户账户信息。
/etc/group
组账户信息。
/etc/gshadow
安全组账户信息。

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