Unix

Unix (all-caps UNIX for the trademark) is a family of multitasking, multiuser computer operating systems that derive from the original AT&T Unix, developed in the 1970s at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others.

Traceroute

traceroute – print the route packets take to network host

SYNOPSIS

traceroute [ -Sdnrv ] [ -g gw_host ] [ -m max_ttl ]
[ -p port ] [ -q nqueries ] [ -s src_addr ]
[ -t tos ] [ -w waittime ] host [ packetlen ]