group IDs. Subsequently, Linux 2.4 added getgid32 () and getegid32 (), supporting 32-bit IDs. The glibcgroup IDs. Subsequently, Linux 2.4 added getgid32 () and getegid32 (), supporting 32-bit IDs. The glibcgroup IDs. Subsequently, Linux 2.4 added getgid32 () and getegid32 (), supporting 32-bit IDs. The glibcgroup IDs. Subsequently, Linux 2.4 added getgid32 () and getegid32 (), supporting 32-bit IDs. The glibcgeteuid32 (2) 2.4 getgid (2) 1.0 getgid32 (2) 2.4 getgroups (2) 1.0 getgroups32