数: frequently; repeatedly组: group小组标识符: gid numbers元组标识符: tid组标识符: gid; grouidentifier; group identification numbers; group identifier传输组标识符: tgid transmission grouidentifier; transmission group identifier进程组标识符: process-grouidentifier设置组标识符: setgid业务组标识符: ssid有效的组标识符: effective grouidentifier真实的组标识符: real gid数组标识，数据集识别: dsid data set identification数组类型标识符: array type identifier设置组标识符的程序: set-group-identifier program组标识: grouid gid数组标志符: array identifier标识符: guid; id identifier; identification code; identifier name; identifiers; indetifier; pid; tokens分组标识: group character实组标识: real grouid文件组标识: set identification信息组标识: field identification标识，标识符: id，identification,identity字段标识, 信息组标识: field identification字段标识符, 域标识符: field identifier安全标识符: sid security identifier
