adduser multiple groups

1. Can a Linux user have multiple groups?
2. How add multiple groups in Linux?
3. How do I add multiple groups to AIX?
4. Can a file belong to multiple groups?
5. Can a file have 2 owners?
6. How do I remove a user from multiple groups in Linux?
7. How do I list all groups in Linux?
8. How add a secondary group in Linux?
9. How do I find groups in Linux?
10. How do I create a group in HPUX?
11. How do I create a secondary group in HP UX?
12. How do I create a user group in Solaris 10?

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.

How add multiple groups in Linux?

To add an existing user to multiple secondary groups, use the usermod command with -G option and the name of the groups with comma. In this example, we are going to add the user2 into mygroup and mygroup1 .

How do I add multiple groups to AIX?

Add A New User To A Group

1. -G vsftp : Add vivek to secondary group called vsftp. This group must exists on the system.
2. -d /data/home/v/vivek : Path to the vivek's home directory.
3. -m : Create the new user's home directory if it does not already exist.
4. vivek : Username / login nane.

Can a file belong to multiple groups?

If your filesystem supports posix acl extensions, then yes you can have more than one group. Most normal unix/linux tools and programs wont show you more than the default user:group:other stuff. Use getfacl <file/dir> to get current acl settings and setfacl to set them.

Can a file have 2 owners?

2 Answers. In the traditional Unix file permission system that's not possible: a file has only a single owner. You could create a group containing just the two users that should have access and make that the owning group of the file (and give the desired permissions to that group).

How do I remove a user from multiple groups in Linux?

11. Remove user from all Groups (Supplementary or Secondary)

1. We can use gpasswd to remove user from group.
2. But if a user is part of multiple groups then you need to execute gpasswd multiple times.
3. Or write a script to remove user from all the supplementary groups.
4. Alternatively we can use usermod -G "" <user_name>

How do I list all groups in Linux?

To view all groups present on the system simply open the /etc/group file. Each line in this file represents information for one group. Another option is to use the getent command which displays entries from databases configured in /etc/nsswitch.

How add a secondary group in Linux?

1. To create a new group, enter the following: sudo groupadd new_group. ...
2. Use the adduser command to add a user to a group: sudo adduser user_name new_group. ...
3. To delete a group, use the command: sudo groupdel new_group.
4. Linux comes with several different groups by default.

How do I find groups in Linux?

In order to list groups on Linux, you have to execute the “cat” command on the “/etc/group” file. When executing this command, you will be presented with the list of groups available on your system.

How do I create a group in HPUX?

Adding a user to a group on HP-UX

1. From the System Administration Manager (SAM), double-click Accounts for Users and Groups.
2. Double-click Groups.
3. Highlight the name of the group and select Modify from the Actions pull down to display the Modify an Existing Group panel.
4. Select a user that you want to add to the group and click Add.

How do I create a secondary group in HP UX?

To set secondary group(s), you can use "usermod -G". You can have multiple secondary groups if you wish.

How do I create a user group in Solaris 10?

How to Add a Group

1. Assume the root role or an administrator who has the solaris. group. manage authorization. ...
2. List the existing groups. # cat /etc/group.
3. Create a new group. $ groupadd -g group-id group-name groupadd. Creates a new group definition on the system by adding the appropriate entry to the /etc/group file.