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This article mainly introduces the Linux commonly used command passwd how to use, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let Xiaobian take you to understand.

Linux commonly used command passwd command is used to set the user's authentication information, including user password, account locking, password invalidation and so on. Run the passwd command directly to change the current user password, and administrator privileges are required for password operations on other users.

Common format: passwd [parameters]

Common parameters:-d delete password-l lock user password, cannot be modified by user-u unlock locked user password, allow user to modify-e password immediately expire, next login force change password-k users who are about to expire can still use-S query password status reference instance to change the current login account password:

[root@linuxcool ~] # passwd modifies the passwords of other users (assuming linuxprobe users):

[root@linuxcool ~] # passwd linuxcool lock password does not allow users to modify:

[root@linuxcool ~] # passwd-l linuxcool unlocks the password, allowing users to modify:

[root@linuxcool ~] # passwd-u linuxcool forced password change when logging in next time:

[root@linuxcool ~] # passwd-e linuxcool clears the login password. No password is required when logging in after clearance, which is extremely risky and is not recommended:

[root@linuxcool ~] # passwd-d linuxcool query password status:

[root@linuxcool] # passwd-S linuxcool Thank you for reading this article carefully. I hope the article "how to use Linux commands passwd" shared by the editor will be helpful to everyone. At the same time, I hope you will support us and pay attention to the industry information channel. More related knowledge is waiting for you to learn!

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