Table of Contents
What is the usermod command in Linux?
The usermod command is one of the several Linux commands system administrators have at their disposal for user management. It is used to modify existing user account details, such as username, password, home directory location, default shell, and more.
What does usermod C command?
usermod command or modify user is a command in Linux that is used to change the properties of a user in Linux through the command line. After creating a user we have to sometimes change their attributes like password or login directory etc.

What is usermod command in Ubuntu?
The usermod command modifies the system account files to reflect the changes that are specified on the command line.
How do I add a usermod?
To add an existing user account to a group on your system, use the usermod command, replacing examplegroup with the name of the group you want to add the user to and exampleusername with the name of the user you want to add.
What is sudo usermod?
sudo usermod -a -G docker $USER sudo means: Run this command as root. This is required for usermod since usually only root can modify which groups a user belongs to. usermod is a command that modifies the system configuration for a specific user ( $USER in our example – see below).

What file does usermod change?
How do I change usermod?
Change User Shell The user login shell can be changed or defined during user creation with useradd command or changed with ‘usermod’ command using option ‘-s’ (shell). For example, the user ‘babin’ has the /bin/bash shell by default, now I want to change it to /bin/sh.
What is usermod AG?
usermod is a command-line utility that allows you to modify a user’s login information. This article covers how to use the usermod command to add a user to a group, change a user shell, login name, home directory, and more.
Does usermod need sudo?
To use the usermod command in Linux, we must use it in the terminal with sudo rights. For the use of sudo rights, you have to use the keyword “su” in the shell, as shown below. It will require your root account password and press Enter to do so. You will see that we will be able to work in a sudo terminal environment.
How do I edit a user profile in Linux?
How to: Change User’s bash profile under Linux / UNIX
- Edit user .bash_profile file. Use vi command: $ cd.
- . bashrc vs . bash_profile files.
- /etc/profile – System wide global profile. The /etc/profile file is systemwide initialization file, executed for login shells. You can edit file using vi (login as root):
What is group command in Linux?
Groups command prints the names of the primary and any supplementary groups for each given username, or the current process if no names are given. If more than one name is given, the name of each user is printed before the list of that user’s groups and the username is separated from the group list by a colon.
What is usermod sudo?
The usermod command lets us change the current expiry date of any user. Firstly the Linux sudo terminal comes up with the “chage” command to list all the account details about passwords.
How do I list all groups in Linux?
2 Ways to List All Groups in Linux
- 1. /etc/group file. The /etc/group file contains all the local groups. So, we can open this file and look at all the groups.
- getent command. Linux getent command fetch entries from databases supported by the Name Service Switch libraries.
What is usermod command in Linux?
usermod is a command-line utility that allows you to modify a user’s login information. This article covers how to use the usermod command to add a user to a group, change a user shell, login name, home directory, and more.
How to add a user to a group using usermod?
Adding a user to a group is the most common use case of the usermod. Use the -a -G arguments followed by the group’s name and the username to add an existing user to a secondary group: If you want to add the user to multiple groups at the same time, supply the groups following the -G option, separated by, (commas), with no whitespace between them.
How do I change the UID of a user in Linux?
Change the UID of a user You can create a new user with useradd command but if you mis-configured the account, you don’t necessarily have to delete the user. You can change the user account settings with usermod command in Linux.
How do I change the username of a user in Linux?
You can change the username with the option -l of usermod command: Keep in mind that apart from the user name, nothing else changes on its own. You’ll have to manually change the home directory and mail spool.