How do you check what groups a user is in Linux? There are multiple ways to find out the groups a user belongs to. The primary user’s group is stored in the /etc/passwd file and the supplementary groups, if any, are listed in the /etc/group file. One way to find the user’s groups is to list the contents of those files using cat , less or grep .
How do I find my user ID and group in Linux?
- Open a new Terminal Window (Command Line) if in GUI mode.
- Find your username by typing the command: whoami.
- Type in the command id username to find your gid and uid.
How do you see what groups a user is in Ubuntu? Open the Ubuntu Terminal through Ctrl+Alt+T or through the Dash or connect to the Ubuntu system by SSH. This command lists all the groups that you belong to.
How do I check user and group permissions in Linux?
- ls -l. Then you will see the file’s permissions, like the following:
- chmod o+w section.txt.
- chmod u+x section.txt.
- chmod u-x section.txt.
- chmod 777 section.txt.
- chmod 765 section.txt.
- sudo useradd testuser.
- uid=1007(testuser) gid=1009(testuser) groups=1009(testuser)