Command Line Tools
There are many command line tools that provide a user direct information concerning a system. These are built into the operating system itself, or are common programs that are used by system administrators and security professionals on a regular basis.
nmap is the command line command to launch and run the nmap utility. Nmap is a program developed by Gordon Lyon and has been the standard network mapping utility for Windows and Linux since 1999.
Ping is a command that sends echo requests to a designated machine to determine if communication is possible. The syntax is ping [options] targetname/address. The options ...