sudo usermod -aG newgroup existinguser This command adds the “existinguser” to the “newgroup” group. Permissions determine what actions a user can perform on the system. Linux uses a permission system based on access control lists (ACLs). Understanding Permissions Permissions are represented by a series of letters and symbols:
Users - La Biblia De Linux - Hector Facundo Arena** Users - La Biblia De Linux - Hector Facundo Arena
sudo groupadd newgroup This command creates a new group named “newgroup”. To add a user to a group, you can use the usermod command: sudo usermod -aG newgroup existinguser This command adds