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groupadd command
LINUX-Frequently used commands
| groupadd command Add a group |
| Ｓyntax |
| groupadd [Option] [Group name] |
| The groupadd command is used to add a new group. Usually, when you add a new user, a group is also created with the same name as the user name.. Group information is stored in the /etc/group file. When executing the command, specify the name of the group to be added as an argument. |
| Frequently used options |
| -g [group ID] Create a group by specifying a group ID |
| Example: Adding a group |
| $ su - ← Become root with su command Password: ←Enter root password # groupadd centos ← Create "centos" group # grep centos /etc/group ← Check the group centos:x:511: ← Group ID is "511" and "centos" group is created.. |
| Example: Create a new group by specifying the group ID |
| $ su - ← Become root with su command Password: ←Enter root password # groupadd -g 800 centos ← Create the 'centos' group with a group ID of '800'. # grep centos /etc/group ← Check the group centos:x:800: ← Group ID is "800" and "centos" group is created |