Kill All Mobs
Quick and Dirty, use this command to kill all Mobs except a few.
/kill @e [[type=!player,type=!armor_stand,type=!minecart,type=!wolf,type=!cat]
More can be found in the Minecraft Wiki - How to Kill all Mobs in Minecraft
Quick and Dirty, use this command to kill all Mobs except a few.
/kill @e [[type=!player,type=!armor_stand,type=!minecart,type=!wolf,type=!cat]
More can be found in the Minecraft Wiki - How to Kill all Mobs in Minecraft