memory

1. Use free command$free -h -ttotal used free shared buff/cache availableMem: 7.7Gi 2.8Gi 1.2Gi 1.2Gi 3.6Gi 3.3GiSwap: 2.0Gi 0B 2.0GiTotal: 9.7Gi 2.8Gi 3.2GiMem:total - total amount of memory that can…