I'm afraid not. You have to buy the full game in order to use the save feature.
Chat with our AI personalities
yes, but not on classic
You can't unless you're in multiplayer
Minecraft saves automatically every 5 seconds, or when you pause the game
You can't have commands on minecraft classic but you can in multiplayer classic
Minecraft classic gives you unlimited blocks without having to work for them, unlimited health, no night, no monsters, no animals and no crafting. while modern Minecraft does the opposite of those things. You also have to pay for the real game.