Linux command
id 命令
文本
复制后可按需替换文件名、目录或参数。
常用示例
Show current user info
id
Show info for user
id [username]
Show only user ID
id -u
Show only group ID
id -g
Show all group IDs
id -G
Show names instead of numbers
id -n -u
说明
id displays user and group identity information. It shows UID, GID, and supplementary groups for users. The command is useful for verifying permissions and group memberships. It can query any user or the current user by default.
参数
- -u, --user
- Print user ID only.
- -g, --group
- Print primary group ID.
- -G, --groups
- Print all group IDs.
- -n, --name
- Print names instead of IDs.
- -r, --real
- Print real ID.
- --help
- Display help information.
FAQ
What is the id command used for?
id displays user and group identity information. It shows UID, GID, and supplementary groups for users. The command is useful for verifying permissions and group memberships. It can query any user or the current user by default.
How do I run a basic id example?
Run `id` in a terminal, then adjust file names, paths, flags, or remote targets for your system.
What does -u, --user do in id?
Print user ID only.