How to Create users and groups in Linux

How to Create users and manage group users in Linux, the main task is to create a legal user account, set and manage user passwords, modify user account attributes, and delete obsolete user accounts when necessary. 1) to add a new user in Linux, only the root user can... how to Create users and manage group users in Linux, the main task is to create a legal user account, set and manage user passwords, modify user account attributes, and delete obsolete user accounts when necessary. 1) add a new user in Linux. only the root user can create a new user. the following command creates a new user with the login user1. Www.2cto.com # useradduser1. However, this user cannot log on yet, because the initial password has not been set for it, and users without a password cannot log on to the system. By default, a user home directory with the same user name will be created in the/home directory. In Linux, when a user is added, a new group is created. The group has the same name as the user, and the user is a member of the group. If you want a new user to belong to an existing group, you can use the following command: # useradd-gusergroup1user1 so that the user is a member of the usergroup1 group. And if you want to make it belong to another group of usergroup2, you should also use the: # useradd-Gusergroup2user1 to complete this operation, you should also set an initial password for it using the passwd command. 2) to delete a user, you only need to use a simple command "userdel user name. However, it is best to delete the files that remain on the system. you can use "userdel-r username" to achieve this purpose. 3) to add a group, we can create a user group as needed: www.2cto.com groupadd <Group name> 4) when deleting a group, we sometimes need to delete a group. its command is groupdel. This article is from the red union Linux Portal