Overview of managing accounts/groups
As a multi-user operating system, Linux allows for multiple users to be logged in and work simultaneously on a single machine. Be aware that it is never a good idea to let users share login information for the same account. It is preferable to have as many accounts as users who require machine access.
Access to specific system resources, such as directories and files, may need to be shared by two or more users. We can achieve both goals using Linux’s user and group administration features.
General/normal users and root/superusers are the two categories of users in Linux systems.
One of the fundamental components of the Linux operating system is the management of user and group accounts. The custom rights of user and group accounts are maintained by each user logging in to the operating system using a different set of credentials. Adding new users requires specific permissions (superuser); the same holds true for other user or group...