Can a Linux user have multiple groups? While a user account can be part of multiple groups, one of the groups is always the “primary group” and the others are “secondary groups”. The user’s login process and files and folders the user creates will be assigned to the primary group.
What permissions does a user have in Linux?
|3||Execute and Write|
|5||Read and Execute|
|6||Read and Write|
How do I change user permissions in Linux? To change file and directory permissions, use the command chmod (change mode). The owner of a file can change the permissions for user ( u ), group ( g ), or others ( o ) by adding ( + ) or subtracting ( – ) the read, write, and execute permissions.
What is sudo in Linux? sudo , which is an acronym for superuser do or substitute user do, is a command that runs an elevated prompt without a need to change your identity. Depending on your settings in the /etc/sudoers file, you can issue single commands as root or as another user.