Cross Reference: /src/usr.bin/newgrp

`Name`	`Date`	`Size`
Up to higher level directory
`grutil.c`	26-Oct-2022	`8.1K`
`grutil.h`	28-Apr-2008	`1.7K`
`Makefile`	13-Jul-2016	`433`
`newgrp.1`	03-Jul-2017	`3.6K`
`newgrp.c`	16-Sep-2011	`4.6K`