What Is Available Memory Linux?
Contents

Available memory is the amount of memory which is available for allocation to a new process or to existing processes.

What is the difference between free and available memory Linux?

free: the unused memory. shared: memory used by tmpfs. buff/cache: the combined memory filled by kernel buffers, page cache, and slabs. available: estimated free memory that can be used without starting to swap.

How do I see available memory on Linux?

Linux

  1. Open the command line.
  2. Type the following command: grep MemTotal /proc/meminfo.
  3. You should see something similar to the following as output: MemTotal: 4194304 kB.
  4. This is your total available memory.
James H. Sterling

James H. Sterling

Environmental Science & Climate Journalist

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.

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