diff --git a/SPECS/dot-mkshrc b/SPECS/dot-mkshrc
new file mode 100644
index 0000000..b5839c9
--- /dev/null
+++ b/SPECS/dot-mkshrc
@@ -0,0 +1,8 @@
+# .mkshrc
+
+# Source global definitions
+if [ -f /etc/mkshrc ]; then
+	. /etc/mkshrc
+fi
+
+# User specific aliases and functions
diff --git a/SPECS/mksh-R56c.tgz b/SPECS/mksh-R56c.tgz
new file mode 100644
index 0000000..62bcded
Binary files /dev/null and b/SPECS/mksh-R56c.tgz differ
diff --git a/SPECS/rtchecks.expected b/SPECS/rtchecks.expected
new file mode 100644
index 0000000..56e47ca
--- /dev/null
+++ b/SPECS/rtchecks.expected
@@ -0,0 +1,10 @@
+0:0=0.
+1:-1=4294967295.
+2:2147483647=2147483647.
+3:-2147483648=2147483648.
+4:-1=4294967295.
+5:0=0.
+6:-2147483648=2147483648.
+7:2147483647=2147483647.
+8:-3=2147483645.
+9:-2=4294967294.