Final test: Inside the system: resources, kernel, processes

Read the output

How much memory can the machine give to new processes without swap?

$ free -h
               total        used        free      shared  buff/cache   available
Mem:           458Mi       159Mi        76Mi       964Ki       243Mi       298Mi
Swap:             0B          0B          0B

• A About 298 MiB — the available column.
• B 458 MiB — all of the machine's memory.
• C 76 MiB — the free column.
• D 243 MiB — the cache that can be dropped.