vm_stat

vm_stat is a command line tool available on macOS systems that displays information about virtual memory statistics. It provides an overview of the memory usage and paging activity on the system.

When you run the command "vm_stat" in the terminal, it will output a series of statistics related to memory management. The information includes the number of pages in various states such as active, inactive, speculative, throttled, and free. It also shows details about paging activity, such as page-ins, page-outs, and faults.

The output from vm_stat is useful for monitoring memory utilization and identifying potential memory issues. By analyzing the statistics, you can identify if your system is experiencing excessive paging, high memory pressure, or other memory-related problems.

Additionally, vm_stat provides information about the virtual memory subsystem, including details about compressed memory, pageable memory, file-backed memory, and anonymous memory.

You can use the vm_stat command with different flags to customize the output and get specific information about memory usage. Overall, vm_stat is a valuable tool for system administrators and developers to monitor and analyze memory usage on macOS systems.