diff --git a/bin/ps/extern.h b/bin/ps/extern.h
index 432128542cd5..7b5522dc1508 100644
--- a/bin/ps/extern.h
+++ b/bin/ps/extern.h
@@ -70,6 +70,7 @@ void	 pmem(KINFO *, VARENT *);
 void	 pri(KINFO *, VARENT *);
 void	 printheader(void);
 void	 priorityr(KINFO *, VARENT *);
+void	 egroupname(KINFO *, VARENT *);
 void	 rgroupname(KINFO *, VARENT *);
 void	 runame(KINFO *, VARENT *);
 void	 rvar(KINFO *, VARENT *);
@@ -78,6 +79,7 @@ int	 s_cputime(KINFO *);
 int	 s_label(KINFO *);
 int	 s_loginclass(KINFO *);
 int	 s_logname(KINFO *);
+int	 s_egroupname(KINFO *);
 int	 s_rgroupname(KINFO *);
 int	 s_runame(KINFO *);
 int	 s_systime(KINFO *);
diff --git a/bin/ps/keyword.c b/bin/ps/keyword.c
index 136d084c8151..c4467561bf38 100644
--- a/bin/ps/keyword.c
+++ b/bin/ps/keyword.c
@@ -88,12 +88,19 @@ static VAR var[] = {
 	{"cpu", "CPU", NULL, 0, kvar, NULL, 3, KOFF(ki_estcpu), UINT, "d",
 		0},
 	{"cputime", "", "time", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
+	{"egid", "", "gid", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
+	{"egroup", "", "group", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
 	{"emul", "EMUL", NULL, LJUST, emulname, NULL, EMULLEN, 0, CHAR,
 		NULL, 0},
 	{"etime", "ELAPSED", NULL, USER, elapsed, NULL, 12, 0, CHAR, NULL, 0},
 	{"etimes", "ELAPSED", NULL, USER, elapseds, NULL, 12, 0, CHAR, NULL, 0},
+	{"euid", "", "uid", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
 	{"f", "F", NULL, 0, kvar, NULL, 8, KOFF(ki_flag), INT, "x", 0},
 	{"flags", "", "f", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
+	{"gid", "GID", NULL, 0, kvar, NULL, UIDLEN, KOFF(ki_groups),
+		UINT, UIDFMT, 0},
+	{"group", "GROUP", NULL, LJUST, egroupname, s_egroupname,
+	    USERLEN, 0, CHAR, NULL, 0},
 	{"ignored", "", "sigignore", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
 	{"inblk", "INBLK", NULL, USER, rvar, NULL, 4, ROFF(ru_inblock), LONG,
 		"ld", 0},
diff --git a/bin/ps/print.c b/bin/ps/print.c
index 432cffa274d3..02c6112d5461 100644
--- a/bin/ps/print.c
+++ b/bin/ps/print.c
@@ -340,6 +340,22 @@ s_uname(KINFO *k)
 	return (strlen(user_from_uid(k->ki_p->ki_uid, 0)));
 }
 
+void
+egroupname(KINFO *k, VARENT *ve)
+{
+	VAR *v;
+
+	v = ve->var;
+	(void)printf("%-*s", v->width,
+	    group_from_gid(k->ki_p->ki_groups[0], 0));
+}
+
+int
+s_egroupname(KINFO *k)
+{
+	return (strlen(group_from_gid(k->ki_p->ki_groups[0], 0)));
+}
+
 void
 rgroupname(KINFO *k, VARENT *ve)
 {
diff --git a/bin/ps/ps.1 b/bin/ps/ps.1
index 2465df3acb26..10dd6af7f85d 100644
--- a/bin/ps/ps.1
+++ b/bin/ps/ps.1
@@ -29,7 +29,7 @@
 .\"     @(#)ps.1	8.3 (Berkeley) 4/18/94
 .\" $FreeBSD$
 .\"
-.Dd April 18, 2011
+.Dd June 14, 2011
 .Dt PS 1
 .Os
 .Sh NAME
@@ -502,6 +502,12 @@ elapsed running time, in decimal integer seconds
 .It Cm flags
 the process flags, in hexadecimal (alias
 .Cm f )
+.It Cm gid
+effective group ID (alias
+.Cm egid )
+.It Cm group
+group name (from egid) (alias
+.Cm egroup )
 .It Cm inblk
 total blocks read (alias
 .Cm inblock )
@@ -629,7 +635,8 @@ process pointer
 .It Cm ucomm
 name to be used for accounting
 .It Cm uid
-effective user ID
+effective user ID (alias
+.Cm euid )
 .It Cm upr
 scheduling priority on return from system call (alias
 .Cm usrpri )