(sh-utils.info)User information

User information
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   This section describes commands that print user-related information:
logins, groups, and so forth.



* id invocation
Print real and effective uid and gid.
* logname invocation
Print current login name.
* whoami invocation
Print effective user id.
* groups invocation
Print group names a user is in.
* users invocation
Print login names of users currently logged in.
* who invocation
Print who is currently logged in.