Linux passwd command details how to use the Linux passwd command

Source: Internet
Author: User

The Linux passwd command is used to change the user's password.


Passwd [-k] [-l] [-u [-f] [-d] [-S] [username]

Required parameters:

  • -D. Delete the password.
  • -F force execution
  • -K updates can only be sent after expiration
  • -L stop account use
  • -S: Display password information
  • -U: enable an account that has been stopped
  • -X: Set the password validity period.
  • -G: change the group password.
  • -I: stops the user account after it expires.

Select parameters:

  • -- Help: displays help information.
  • -- Version: displays version information.


Change user password

# Passwd w3cschool // Set the password of the w3cschool user

Enter new UNIX password: // Enter the new password. The entered password is not displayed.

Retype new UNIX password: // confirm the password

Passwd: password updated successfully


Show account password information

# Passwd-S w3cschool

W3cschool P 05/13/2010 0 99999 7-1

Delete user password

# Passwd-d lx138

Passwd: password expiry information changed.

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