Can multiple groups own a file in Linux?

Can multiple groups own a file in Linux?

It is not possible to have a file owned by multiple Linux groups with traditional Unix permissions. (However, it is possible with ACL.) But you might use the following workaround and create a new group (e.g. called devFirms ) which will include all users of the groups devFirmA , devFirmB and devFirmC .

Which three groups can owner file in Linux?

Every Linux system have three types of owner:

• User: A user is the one who created the file. By default, whosoever, creates the file becomes the owner of the file.
• Group: A group can contain multiple users.
• Other: Any one who has access to the file other than user and group comes in the category of other.

How to give different groups different permissions on Linux?

By default, Linux’s permission system does not allow for this. The reason is simple: for each inode there are only three bits ( rwx) that describe permissions for a particular group, namely the group that owns the file/directory referred to by that inode.

What are the permissions for a folder in Linux?

The breakdown of permissions looks like this: u – user. g – group. o – other. The ‘other’ entry is the dangerous one, as it effectively gives everyone permission for the folder/file. The permissions you can give to a file or folder are: r – read. w – write. x – execute.

What are the permissions for accessing a directory?

Directory Permissions. For directories, the permissions grant these rights: read Allowed to list the contents of the directory. write Allowed to create, modify or delete files in the directory. execute Allowed to access a file in the directory if you know the name of the file. Viewing File Permissions

Can a group2 have read only access to a folder?

You want group2 to have read-only access to that folder. You don’t want others to have read access to that folder. By default, Linux’s permission system does not allow for this.