Memory [HP-UX]: Add partial support

neofetch

@@ -1356,6 +1356,13 @@ get_memory() {
             mem_free="$((mem_stat[5] / 1024))"
             mem_used="$((mem_total - mem_free))"
         ;;
+
+        "HP-UX")
+            # Partial support. Again, hppa and IA64 have a different
+            # command of how to access this. And they need root for
+            # some rason.
+            mem_free="$(($(vmstat | awk 'NR==3{printf $5}') / 1024))"
+        ;;
     esac
     memory="${mem_used}${mem_label:-MiB} / ${mem_total}${mem_label:-MiB}"