查看“︁Linux passwd”︁的源代码

passwd用于修改用户密码

== 设置密码 ==
使用非root用户登录还没设置root密码需要设置root密码才能切换到root账户<syntaxhighlight lang="linux-config">
ubuntu@primary:~$ sudo passwd
New password:
Retype new password:
passwd: password updated successfully
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==修改密码==
root用户下输入<code>passwd</code>会提示你输入两次新密码，输入回车即可。<syntaxhighlight lang="linux-config">
root@fc:~# passwd
New password:
Retype new password:
Sorry, passwords do not match.
passwd: Authentication token manipulation error
passwd: password unchanged   #以上为两次没输对的错误示范
root@fc:~# passwd
New password:         #输入第一次    
Retype new password:  #输入第二次
passwd: password updated successfully

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[[分类:Linux命令]]