from bash manual http://www.gnu.org/software/bash/manual/bashref.html#Redirections

/dev/tcp/host/port
If host is a valid hostname or Internet address, and port is an integer port number or service name, Bash attempts to open a TCP connection to the corresponding socket

#bash #tcp #unix #gnu

բնօրինակ սփիւռքում(եւ մեկնաբանութիւննե՞ր)