Linux groupadd command
Linux Command Manual
The groupadd command is used to create a new workgroup, and the information of the new workgroup will be added to the system file.
Related Files:
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/etc/group Group Account Information.
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/etc/gshadow Secure Group Account Information.
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/etc/login.defs Shadow Password Suite Configuration.
Syntax
The syntax format of the groupadd command is as follows:
groupadd [-g gid [-o]] [-r] [-f] group
Parameter Description:
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-g: Specify the id of the new workgroup;
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-r: Create a system workgroup, the group ID of the system workgroup is less than 500;
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-K: Overwrite the configuration file "/etc/login.defs";
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-o: Allows the addition of workgroups with non-unique group IDs.
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-f,--force: If the specified group already exists, this option will be ignored and the program will exit with a successful status. When used with -g and the specified GID_MIN already exists, choose another unique GID (i.e., -g is closed).
Online Examples
Create a new group and add a group ID.
#groupadd -g 344 w3codebox
At this time, a project with a group ID (GID) of 344 is generated in the /etc/group file.
Linux Command Manual