add: console function; style: function names

For more information see: https://google.github.io/styleguide/shellguide.html#s7.1-function-names

shemum

@@ -45,17 +45,26 @@ esac
 # Functions
 
 # Virtual machine removal
-remove function { 
+remove_func function { 
   rm -r $ROOT_PATH/$OS_NAME 
 }
 
-start function {
+# Virtual machine start without a console
+start_func function {
   qemu-system-x86_64 -boot c                            \
                        -display none                    \
                        -drive file=$IMG_PATH,format=raw \
                        -m $RAM -smp $CPU
 }
 
+# Virtual machine start with a console
+console_func function {
+  qemu-system-x86_64 -boot c                    \
+                       -display curses            \
+                       -drive file=$IMG_PATH,format=raw \
+                       -m $RAM -smp $CPU
+}
+
 # Options
 case $OPTION in
   # Initializes the VM and starts the installer image.
@@ -78,16 +87,13 @@ case $OPTION in
                       -m $RAM -smp $CPU
   ;;
   "console")
-    qemu-system-x86_64 -boot c                    \
-                       -display curses            \
-                       -drive file=$IMG_PATH,format=raw \
-                       -m $RAM -smp $CPU
+    console_func
   ;;
   "start")
-    start
+    start_func
   ;;
   "remove")
-    remove
+    remove_func
   ;;
   *)
     echo "Usage: shemum [init] <virtual machine name> <disk size>"