Gamerules Explained

Do you wish that if you die, you won't lose your stuff? Well, it is actually possible with the command ---> /gamerule <something> <true or false>

• when you type true at the end, it enables the gamerule
• when you type false at the end, it disables the gamerule

Here's a list of them:

/gamerule commandBlockOutput <true or false>
• enables or disables command blocks' text outputs

/gamerule doDaylightCycle <true or false>
• enables or disables day and night cycles

/gamerule doFireTick <true or false>
• enables or disables fire from spreading and extingishing

/gamerule doMobLoot <true or false>
• enables or disables mobs from dropping loots

/gamerule doMobSpawning <true or false>
• enables or disables mobs from spawning naturally (excluding spawn eggs and spawners)

/gamerule doTileDrops <true or false>
• enables or disables blocks from dropping their "little blocks"

/gamerule keepInventory <true or false>
• enables or disables the ability to keep a player's items when he/she dies

/gamerule mobGriefing <true or false>
• enables or disables mobs from destroying blocks (ex. creeper explosions)

/gamerule naturalRegeneration <true or false>
• enables or disables the ability of regenerating health when a player is at almost full hunger

   I hope that helps! Leave a diamond if you found this helpful, thanks :D