diff --git a/bin/ls/ls.h b/bin/ls/ls.h
--- a/bin/ls/ls.h
+++ b/bin/ls/ls.h
@@ -56,6 +56,7 @@
 extern int f_size;		/* list size in short listing */
 extern int f_slash;		/* append a '/' if the file is a directory */
 extern int f_sortacross;	/* sort across rows, not down columns */
+extern int f_sowner;		/* disable showing the owner's name */
 extern int f_statustime;	/* use time of last mode change */
 extern int f_thousands;		/* show file sizes with thousands separators */
 extern char *f_timeformat;	/* user-specified time format */
diff --git a/bin/ls/ls.1 b/bin/ls/ls.1
--- a/bin/ls/ls.1
+++ b/bin/ls/ls.1
@@ -301,14 +301,9 @@
 .Fl s
 options.
 .It Fl g
-This option has no effect.
-It is only available for compatibility with
-.Bx 4.3 ,
-where it was used to display the group name in the long
+Display the long
 .Pq Fl l
-format output.
-This option is incompatible with
-.St -p1003.1-2008 .
+format output without the file owner's name or number.
 .It Fl h
 When used with the
 .Fl l
diff --git a/bin/ls/ls.c b/bin/ls/ls.c
--- a/bin/ls/ls.c
+++ b/bin/ls/ls.c
@@ -144,6 +144,7 @@
 static int f_sizesort;
        int f_slash;		/* similar to f_type, but only for dirs */
        int f_sortacross;	/* sort across rows, not down columns */
+       int f_sowner;		/* disable showing owner's name */
        int f_statustime;	/* use time of last mode change */
 static int f_stream;		/* stream the output, separate with commas */
        int f_thousands;		/* show file sizes with thousands separators */
@@ -402,7 +403,11 @@
 			f_listdir = 1;
 			f_recursive = 0;
 			break;
-		case 'g':	/* Compatibility with 4.3BSD. */
+		case 'g':
+			f_longform = 1;
+			f_singlecol = 0;
+			f_stream = 0;
+			f_sowner = 1;
 			break;
 		case 'h':
 			f_humanval = 1;
@@ -421,6 +426,9 @@
 			break;
 		case 'n':
 			f_numericonly = 1;
+			f_longform = 1;
+			f_singlecol = 0;
+			f_stream = 0;
 			break;
 		case 'o':
 			f_flags = 1;
diff --git a/bin/ls/print.c b/bin/ls/print.c
--- a/bin/ls/print.c
+++ b/bin/ls/print.c
@@ -234,9 +234,11 @@
 		strmode(sp->st_mode, buf);
 		aclmode(buf, p);
 		np = p->fts_pointer;
-		(void)printf("%s %*ju %-*s  %-*s  ", buf, dp->s_nlink,
-		    (uintmax_t)sp->st_nlink, dp->s_user, np->user, dp->s_group,
-		    np->group);
+		(void)printf("%s %*ju ", buf, dp->s_nlink,
+		    (uintmax_t)sp->st_nlink);
+		if (!f_sowner)
+			(void)printf("%-*s ", dp->s_user, np->user);
+		(void)printf("%-*s ", dp->s_group, np->group);
 		if (f_flags)
 			(void)printf("%-*s ", dp->s_flags, np->flags);
 		if (f_label)