passwd

When passwd is assigned to the user or when user logs in .

给用户分配密码时，或用户登录时。

Passwd and group files have been specified . cann 't process NIS domain .

指定了密码和组文件。不能处理nis域。

Many think the passwd command only changes a user 's password .

许多人认为passwd命令只用于修改用户的密码。

The most important function of passwd is indeed changing a user 's password .

passwd最重要的特性确实是修改用户的密码。

Only root can change the password for another user with the passwd command .

只有root用户可以用passwd修改其他用户的密码。

Various GUI tools can then ask passwd to do the actual changing .

于是各种GUI工具可以要求passwd来做实际的更改。

The local UNIX / Linux system password database ( / etc / passwd );

本地UNIX/Linux系统密码数据库（/etc/passwd）；

Each user on the system has a primary group defined in the / etc / passwd file .

系统中的每个用户都有一个在/etc/passwd文件中定义的主要组。

This program works only if you have full rights to / etc / passwd .

您必须拥有访问/etc/passwd的完全权限，这个程序才能正常工作。

The classic example of this is the command-line passwd program .

典型示例是命令行passwd程序。

Passwd ( and the / etc / shadow file if supported )

passwd（如果支持，还包括/etc/shadow文件）

You already know that simple I / O redirection doesn 't work with passwd .

您已经知道简单I/O重定向对passwd不起作用。

Groups appear in the fourth field in numerical format in the / etc / passwd file .

组名在/etc/passwd文件中是以数字的格式出现在第四个域中的。

Changing a user 's password can be done from the console by using the passwd command

可以从控制台使用passwd命令来修改用户的密码

The passwd command is one of the few that must be suid .

passwd命令是少数必须为suid的命令之一。

If the / etc / passwd file exists , then the script continues .

如果/etc/passwd文件存在，那么该脚本将继续执行。

Generally this is done by finding all user accounts in the / etc / passwd file .

通常来说，这是通过查找/etc/passwd文件中的所有用户帐号实现的。

The passwords themselves are stored in / etc / security / passwd .

密码本身存储在/etc/security/passwd中。

Always specify files as the last option , particularly for passwd , shadow , and hosts data .

始终将文件指定为最后一个选项，特别对于passwd、shadow和hosts数据更要如此。

Verify that the instance user and fenced user exist in / etc / passwd .

验证实例用户及受保护用户位于/etc/passwd中。

When we were using / etc / passwd as input , FS was set to ":" .

当我们使用/ect/passwd作为输入时，FS设为“：”。

What happens if the / etc / passwd file didn 't exist to begin with ?

如果开始的时候/etc/passwd文件并不存在，那么会发生什么情况呢？

User and group information are stored in the / etc / passwd and / etc / group files , respectively .

用户和组信息分别存储在/etc/passwd文件和/etc/group文件中。

To pull the first and sixth fields from the / etc / passwd file , the command is

要从/etc/passwd文件中提取第一个和第六个域，命令如下

For example , the fields in / etc / passwd are separated with a colon (:) .

例如，/etc/passwd中的字段是用冒号（：）分隔的。

For example , to pull the sixth field from the / etc / passwd file , the command is

举例来说，要提取/etc/passwd文件中的第6个域，命令如下

In this example , the / etc / passwd file is monitored by an event consumer ( monitoring application ) .

在这个示例中，事件消费者（监视应用程序）监视/etc/passwd文件。

This will sort the passwd file by group ID and within groups by userid , backwards .

这条命令将按照组标识对passwd文件进行排序，而在组内按照用户标识进行逆向排序。

Because passwd runs with root access , it can modify / etc / passwd .

因为passwd和root访问一起运行，所以它可以修改/etc/passwd。

It reads the UID number and determines the associated user name from the / etc / passwd file .

它读取UID号并根据/etc/passwd文件找到相关联的用户名。