- https://lib.rs/crates/sysinfo
- https://stackoverflow.com/questions/30379341/how-to-print-well-formatted-tables-to-the-console
- https://docs.rs/sysinfo/latest/sysinfo/
- https://doc.rust-lang.org/std/string/struct.String.html#method.trim
- https://www.ibm.com/docs/en/aix/7.2?topic=monitoring-vmstat-command
- https://www.ibm.com/docs/en/aix/7.2?topic=monitoring-iostat-command
- https://www.ibm.com/docs/en/aix/7.1?topic=usage-memory-determination-vmstat-command
- https://www.ibm.com/docs/en/aix/7.1?topic=monitoring-continuous-system-performance-commands
- https://www.ibm.com/docs/en/aix/7.1?topic=management-system-performance-monitoring
- https://www.ibm.com/support/pages/memory-analysis-aix
- https://www.ibm.com/docs/en/aix/7.1?topic=l-lsps-command
cargo run vmstat outputs similar to vmstat, sar, etc