Linux/Unix Commands





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LINUX / UNIX cmd
LINUX/UNIX Commands tutorial/reference - Find linux cmd, syntax, example Introduction
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chpasswd Linux Commands

Tutorials Linux-commands

Topic

What is Linux chpasswd Command?



Explanation

chpasswd COMMAND:
     chpasswd command is used to change password for users. This is an admin command, Only root user can change the password for users.

SYNTAX:
  The Syntax is
     chpasswd [options]

OPTIONS:
     
-c Clears all password flags.
-e Specifies that the passwords are of encrypted format.
-f flags Specifies the comma separated list of password flags to set. Valid flag values are: ADMIN, ADMCHG, and/or NOCHECK. Refer to the pwdadm command documentation for details about these values.
-R load_module Specifies the loadable I & A module used to change user's password.



EXAMPLE:
     
  1. To reset password for users from command line,type 
    chpasswd

    Followed by entering username:password pairs, one pair per line. Enter ctrl+D when finished.

      user1:passwd1
  user2:passwd2
  ....




A Note

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