pexpo is ping sending tui tool with cool clomun & logging loss-count in the multi platforms(Windows, Mac, Linux...). pexpo has tui engine is termbox-go, sending ICMP engine is go-fastping. So, pexpo's code is NATIVE The Go Programming Language application. This is inspired the pinger, Exping. And, This app use with root(sudo) privilege. Because using socket of icmp. if you install with brew, please make ping-list, for example, following text.