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How to modify a Linux user using usermod command

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The usermod command can also be used to modify options for an existing user with the usermod <options> <username> command. Most of the useradd options from the above table can be used with usermod. Some of the additional options are given in the below table.

 Option

Description

-l <loginname>

Change the user’s username to <loginname>. You should consider changing the user’s home directory and name of the user private group to reflect username change.

-L

 Lock the user. User can no longer log in to the system with the old password.

-U

Unlock the user’s password so the user can log in to the system again.

              Jajish Thomason Google+
Related Topics
Introduction to Linux user administration How to add a user in Linux using useradd command How to use passwd command to manage user passwords How to set Linux password aging using chage command How to remove user from Linux using userdel command The Linux user database (/etc/passwd) The Linux password database (/etc/shadow) Introduction to Linux User Group How to create a new group in Linux using groupadd command Linux Group Database (/etc/group) file How to manage Linux user group
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