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20 ユーザ情報
このセクションは,ユーザに関連する情報を出力するコマンドを記述します. login,グループ,その他です.
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.