--- /dev/null
+--- a/bwm.c
++++ b/bwm.c
+@@ -57,7 +57,8 @@ int main(int argc, char *argv[])
+ char buffer[256];
+ char *buffer_pointer;
+
+- int inum;
++ int inum = -1;
++ int oldinum = -1;
+ int field_number;
+ int total_counter;
+ int sleep_time = 2;
+@@ -90,7 +91,13 @@ int main(int argc, char *argv[])
+
+ while(1)
+ {
+- printf("%c[H",27);
++ if (inum==oldinum)
++ {
++ printf("%c[H",27);
++ } else {
++ printf("%c[H%c[J",27,27);
++ oldinum = inum;
++ }
+ printf("Bandwidth Monitor 1.1.0\n\n");
+ printf(" Iface RX(KB/sec) TX(KB/sec) Total(KB/sec)\n\n");
+
+@@ -138,7 +145,7 @@ int main(int argc, char *argv[])
+
+ interface[inum].rx_kbytes_dif =
+ (interface[inum].rx_bytes_new -
+- interface[inum].rx_bytes_old) * 1000 / 1024;
++ interface[inum].rx_bytes_old) / 1024 * 1000;
+
+ interface[inum].rx_rate_whole =
+ interface[inum].rx_kbytes_dif /
+@@ -157,7 +164,7 @@ int main(int argc, char *argv[])
+
+ interface[inum].tx_kbytes_dif =
+ (interface[inum].tx_bytes_new -
+- interface[inum].tx_bytes_old) * 1000 / 1024;
++ interface[inum].tx_bytes_old) / 1024 * 1000;
+
+ interface[inum].tx_rate_whole =
+ interface[inum].tx_kbytes_dif /