Similar to ping

Ping (networking utility)

Netstat

Traceroute

Ipconfig

Metasploit

Netcat

Tcpdump

CHKDSK

Finger (protocol)

Nslookup

Route (command)

Whoami

System File Checker

Microsoft ScanDisk

List of POSIX commands

XZ Utils

Network Utility

Network utility

Kismet (software)

Wireshark

Packet analyzer

Midnight Commander

Rsync

TCP Wrappers

Unison (software)

NetWare

Less (Unix)

Cmd.exe