Linux command
groupadd 命令
安全
权限或系统影响较大，执行前请核对目标。
常用示例
Example
sudo groupadd group_name
Example
sudo groupadd -r group_name
Example
sudo groupadd -g 1001 group_name
Example
sudo groupadd -U user1,user2 group_name
说明
groupadd creates a new group account on the system. It records the new group information in system files (/etc/group and /etc/gshadow), assigning a unique GID unless specified. System groups (created with -r) use GIDs from the system range defined in /etc/login.defs, typically below 1000.
参数
- -f, --force
- Exit successfully if group exists; use next available GID if specified one is taken
- -g, --gid GID
- Set numerical group ID (must be unique unless -o used)
- -K, --key KEY=VALUE
- Override /etc/login.defs defaults
- -o, --non-unique
- Allow creation with duplicate GID
- -p, --password PASSWORD
- Set encrypted group password
- -r, --system
- Create a system group
- -U, --users USER1,USER2
- Add users as group members
- -R, --root CHROOT_DIR
- Apply changes in chroot environment
- -P, --prefix PREFIX_DIR
- Apply changes in prefix directory
- -h, --help
- Display help message and exit
FAQ
What is the groupadd command used for?
groupadd creates a new group account on the system. It records the new group information in system files (/etc/group and /etc/gshadow), assigning a unique GID unless specified. System groups (created with -r) use GIDs from the system range defined in /etc/login.defs, typically below 1000.
How do I run a basic groupadd example?
Run `sudo groupadd group_name` in a terminal, then adjust file names, paths, flags, or remote targets for your system.
What does -f, --force do in groupadd?
Exit successfully if group exists; use next available GID if specified one is taken