added ramdisk alias

.bash_aliases

@@ -178,3 +178,13 @@ function cntdn() {
     done
     echo "Time's up!"
 }
+
+function ramdisk() {
+    if [ ! -d "$HOME/ramdown" ]; then
+        mkdir "$HOME/ramdown"
+    fi
+
+    size="$1"
+
+    sudo mount -t tmpfs -o size="$size" tmpfs "$HOME/ramdown"
+}