Linux Groups Linux Users Linux being a multi-user system, it can be used to create users in order to define the access levels and permission boundaries.
Through isolation, we aim to achieve a virtual separation between the running system processes and the main operating system. This ensures that a compromise of the system process cannot affect the entire system and should only be limited to the isolated process.
Unix Password Management Tools Third-party password management tools come into the picture. They make it easy to:
Manage passwords across multiple services.