Index: head/cddl/usr.bin/ctfconvert/Makefile
===================================================================
--- head/cddl/usr.bin/ctfconvert/Makefile
+++ head/cddl/usr.bin/ctfconvert/Makefile
@@ -1,5 +1,7 @@
 # $FreeBSD$
 
+.include <src.opts.mk>
+
 .PATH: ${SRCTOP}/cddl/contrib/opensolaris/tools/ctf/common
 .PATH: ${SRCTOP}/cddl/contrib/opensolaris/tools/ctf/cvt
 
@@ -35,5 +37,8 @@
 		-I${OPENSOLARIS_SYS_DISTDIR}/uts/common
 
 LIBADD=		dwarf elf z pthread
+
+HAS_TESTS=
+SUBDIR.${MK_TESTS}+= tests
 
 .include <bsd.prog.mk>
Index: head/cddl/usr.bin/ctfconvert/tests/Makefile
===================================================================
--- head/cddl/usr.bin/ctfconvert/tests/Makefile
+++ head/cddl/usr.bin/ctfconvert/tests/Makefile
@@ -0,0 +1,5 @@
+# $FreeBSD$
+
+ATF_TESTS_SH+=  ctfconvert_test
+
+.include <bsd.test.mk>
Index: head/cddl/usr.bin/ctfconvert/tests/ctfconvert_test.sh
===================================================================
--- head/cddl/usr.bin/ctfconvert/tests/ctfconvert_test.sh
+++ head/cddl/usr.bin/ctfconvert/tests/ctfconvert_test.sh
@@ -0,0 +1,62 @@
+#
+# Copyright 2017 Shivansh
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+usage_output='Usage: ctfconvert'
+
+atf_test_case invalid_usage
+invalid_usage_head()
+{
+	atf_set "descr" "Verify that an invalid usage with a supported option produces a valid error message"
+}
+
+invalid_usage_body()
+{
+	atf_check -s not-exit:0 -e match:"$usage_output" ctfconvert -l
+	atf_check -s not-exit:0 -e match:"$usage_output" ctfconvert -L
+	atf_check -s not-exit:0 -e match:"$usage_output" ctfconvert -g
+	atf_check -s not-exit:0 -e match:"$usage_output" ctfconvert -i
+	atf_check -s not-exit:0 -e match:"$usage_output" ctfconvert -s
+	atf_check -s not-exit:0 -e match:"$usage_output" ctfconvert -o
+}
+
+atf_test_case no_arguments
+no_arguments_head()
+{
+	atf_set "descr" "Verify that ctfconvert(1) fails and generates a valid usage message when no arguments are supplied"
+}
+
+no_arguments_body()
+{
+	atf_check -s not-exit:0 -e match:"$usage_output" ctfconvert
+}
+
+atf_init_test_cases()
+{
+	atf_add_test_case invalid_usage
+	atf_add_test_case no_arguments
+}
Index: head/etc/mtree/BSD.tests.dist
===================================================================
--- head/etc/mtree/BSD.tests.dist
+++ head/etc/mtree/BSD.tests.dist
@@ -65,6 +65,8 @@
         sbin
         ..
         usr.bin
+            ctfconvert
+            ..
         ..
         usr.sbin
             dtrace
@@ -654,6 +656,8 @@
         ..
         file2c
         ..
+        fold
+        ..
         getconf
         ..
         grep
@@ -689,6 +693,8 @@
         printf
         ..
         procstat
+        ..
+        rs
         ..
         sdiff
         ..
Index: head/usr.bin/fold/Makefile
===================================================================
--- head/usr.bin/fold/Makefile
+++ head/usr.bin/fold/Makefile
@@ -1,6 +1,11 @@
 #	From: @(#)Makefile	8.1 (Berkeley) 6/6/93
 # $FreeBSD$
 
+.include <src.opts.mk>
+
 PROG=	fold
+
+HAS_TESTS=
+SUBDIR.${MK_TESTS}+= tests
 
 .include <bsd.prog.mk>
Index: head/usr.bin/fold/tests/Makefile
===================================================================
--- head/usr.bin/fold/tests/Makefile
+++ head/usr.bin/fold/tests/Makefile
@@ -0,0 +1,5 @@
+# $FreeBSD$
+
+ATF_TESTS_SH+=  fold_test
+
+.include <bsd.test.mk>
Index: head/usr.bin/fold/tests/fold_test.sh
===================================================================
--- head/usr.bin/fold/tests/fold_test.sh
+++ head/usr.bin/fold/tests/fold_test.sh
@@ -0,0 +1,81 @@
+#
+# Copyright 2017 Shivansh
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+atf_test_case b_flag
+b_flag_head()
+{
+	atf_set "descr" "Verify the usage of option 'b'"
+}
+
+b_flag_body()
+{
+	atf_check -s exit:0 -o empty fold -b < /dev/null
+}
+
+atf_test_case s_flag
+s_flag_head()
+{
+	atf_set "descr" "Verify the usage of option 's'"
+}
+
+s_flag_body()
+{
+	atf_check -s exit:0 -o empty fold -s < /dev/null
+}
+
+atf_test_case invalid_usage
+invalid_usage_head()
+{
+	atf_set "descr" "Verify that an invalid usage with a supported option produces a valid error message"
+}
+
+invalid_usage_body()
+{
+	atf_check -s not-exit:0 -e inline:"fold: option requires an argument -- w
+usage: fold [-bs] [-w width] [file ...]
+" fold -w
+}
+
+atf_test_case no_arguments
+no_arguments_head()
+{
+	atf_set "descr" "Verify that fold(1) executes successfully and silently when invoked without any arguments"
+}
+
+no_arguments_body()
+{
+	atf_check -s exit:0 -o empty fold < /dev/null
+}
+
+atf_init_test_cases()
+{
+	atf_add_test_case b_flag
+	atf_add_test_case s_flag
+	atf_add_test_case invalid_usage
+	atf_add_test_case no_arguments
+}
Index: head/usr.bin/rs/Makefile
===================================================================
--- head/usr.bin/rs/Makefile
+++ head/usr.bin/rs/Makefile
@@ -1,5 +1,11 @@
 #	@(#)Makefile	8.1 (Berkeley) 6/6/93
+# $FreeBSD$
 
+.include <src.opts.mk>
+
 PROG=	rs
+
+HAS_TESTS=
+SUBDIR.${MK_TESTS}+= tests
 
 .include <bsd.prog.mk>
Index: head/usr.bin/rs/tests/Makefile
===================================================================
--- head/usr.bin/rs/tests/Makefile
+++ head/usr.bin/rs/tests/Makefile
@@ -0,0 +1,5 @@
+# $FreeBSD$
+
+ATF_TESTS_SH+=  rs_test
+
+.include <bsd.test.mk>
Index: head/usr.bin/rs/tests/rs_test.sh
===================================================================
--- head/usr.bin/rs/tests/rs_test.sh
+++ head/usr.bin/rs/tests/rs_test.sh
@@ -0,0 +1,278 @@
+#
+# Copyright 2017 Shivansh
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+atf_test_case c_flag
+c_flag_head()
+{
+	atf_set "descr" "Verify the usage of option 'c'"
+}
+
+c_flag_body()
+{
+	atf_check -s exit:0 -o empty rs -c < /dev/null
+}
+
+atf_test_case s_flag
+s_flag_head()
+{
+	atf_set "descr" "Verify the usage of option 's'"
+}
+
+s_flag_body()
+{
+	atf_check -s exit:0 -o empty rs -s < /dev/null
+}
+
+atf_test_case C_flag
+C_flag_head()
+{
+	atf_set "descr" "Verify the usage of option 'C'"
+}
+
+C_flag_body()
+{
+	atf_check -s exit:0 -o empty rs -C < /dev/null
+}
+
+atf_test_case S_flag
+S_flag_head()
+{
+	atf_set "descr" "Verify the usage of option 'S'"
+}
+
+S_flag_body()
+{
+	atf_check -s exit:0 -o empty rs -S < /dev/null
+}
+
+atf_test_case t_flag
+t_flag_head()
+{
+	atf_set "descr" "Verify the usage of option 't'"
+}
+
+t_flag_body()
+{
+	atf_check -s exit:0 -o empty rs -t < /dev/null
+}
+
+atf_test_case T_flag
+T_flag_head()
+{
+	atf_set "descr" "Verify the usage of option 'T'"
+}
+
+T_flag_body()
+{
+	atf_check -s exit:0 -o empty rs -T < /dev/null
+}
+
+atf_test_case k_flag
+k_flag_head()
+{
+	atf_set "descr" "Verify the usage of option 'k'"
+}
+
+k_flag_body()
+{
+	atf_check -s exit:0 -o empty rs -k < /dev/null
+}
+
+atf_test_case K_flag
+K_flag_head()
+{
+	atf_set "descr" "Verify the usage of option 'K'"
+}
+
+K_flag_body()
+{
+	atf_check -s exit:0 -o inline:"
+" rs -K < /dev/null
+}
+
+atf_test_case g_flag
+g_flag_head()
+{
+	atf_set "descr" "Verify the usage of option 'g'"
+}
+
+g_flag_body()
+{
+	atf_check -s exit:0 -o empty rs -g < /dev/null
+}
+
+atf_test_case G_flag
+G_flag_head()
+{
+	atf_set "descr" "Verify the usage of option 'G'"
+}
+
+G_flag_body()
+{
+	atf_check -s exit:0 -o empty rs -G < /dev/null
+}
+
+atf_test_case e_flag
+e_flag_head()
+{
+	atf_set "descr" "Verify the usage of option 'e'"
+}
+
+e_flag_body()
+{
+	atf_check -s exit:0 -o inline:"
+" rs -e < /dev/null
+}
+
+atf_test_case n_flag
+n_flag_head()
+{
+	atf_set "descr" "Verify the usage of option 'n'"
+}
+
+n_flag_body()
+{
+	atf_check -s exit:0 -o empty rs -n < /dev/null
+}
+
+atf_test_case y_flag
+y_flag_head()
+{
+	atf_set "descr" "Verify the usage of option 'y'"
+}
+
+y_flag_body()
+{
+	atf_check -s exit:0 -o empty rs -y < /dev/null
+}
+
+atf_test_case h_flag
+h_flag_head()
+{
+	atf_set "descr" "Verify the usage of option 'h'"
+}
+
+h_flag_body()
+{
+	atf_check -s exit:0 -o inline:"1 0
+" rs -h < /dev/null
+}
+
+atf_test_case H_flag
+H_flag_head()
+{
+	atf_set "descr" "Verify the usage of option 'H'"
+}
+
+H_flag_body()
+{
+	atf_check -s exit:0 -o inline:" 0 line 1
+1 0
+" rs -H < /dev/null
+}
+
+atf_test_case j_flag
+j_flag_head()
+{
+	atf_set "descr" "Verify the usage of option 'j'"
+}
+
+j_flag_body()
+{
+	atf_check -s exit:0 -o empty rs -j < /dev/null
+}
+
+atf_test_case m_flag
+m_flag_head()
+{
+	atf_set "descr" "Verify the usage of option 'm'"
+}
+
+m_flag_body()
+{
+	atf_check -s exit:0 -o empty rs -m < /dev/null
+}
+
+atf_test_case z_flag
+z_flag_head()
+{
+	atf_set "descr" "Verify the usage of option 'z'"
+}
+
+z_flag_body()
+{
+	atf_check -s exit:0 -o empty rs -z < /dev/null
+}
+
+atf_test_case invalid_usage
+invalid_usage_head()
+{
+	atf_set "descr" "Verify that an invalid usage with a supported option produces a valid error message"
+}
+
+invalid_usage_body()
+{
+	atf_check -s not-exit:0 -e inline:"rs: width must be a positive integer
+" rs -w
+}
+
+atf_test_case no_arguments
+no_arguments_head()
+{
+	atf_set "descr" "Verify that rs(1) executes successfully and produces a valid output when invoked without any arguments"
+}
+
+no_arguments_body()
+{
+	atf_check -s exit:0 -o inline:"
+" rs < /dev/null
+}
+
+atf_init_test_cases()
+{
+	atf_add_test_case c_flag
+	atf_add_test_case s_flag
+	atf_add_test_case C_flag
+	atf_add_test_case S_flag
+	atf_add_test_case t_flag
+	atf_add_test_case T_flag
+	atf_add_test_case k_flag
+	atf_add_test_case K_flag
+	atf_add_test_case g_flag
+	atf_add_test_case G_flag
+	atf_add_test_case e_flag
+	atf_add_test_case n_flag
+	atf_add_test_case y_flag
+	atf_add_test_case h_flag
+	atf_add_test_case H_flag
+	atf_add_test_case j_flag
+	atf_add_test_case m_flag
+	atf_add_test_case z_flag
+	atf_add_test_case invalid_usage
+	atf_add_test_case no_arguments
+}