diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..611ba79
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,8 @@
+
+all: nprocs
+
+nprocs: nprocs.c
+	$(CC) -o $@ $<
+
+clean:
+	-rm -f *.o *~ nprocs
diff --git a/nprocs.c b/nprocs.c
new file mode 100644
index 0000000..ad79141
--- /dev/null
+++ b/nprocs.c
@@ -0,0 +1,11 @@
+
+#include <stdio.h>
+#include <unistd.h>         /* sysconf() */
+
+int main(int argc, char * argv[])
+{
+    int nprocs = sysconf(_SC_NPROCESSORS_CONF);
+
+    printf("Number of processors: %d\n", nprocs);
+    return 0;
+}