Minggu, 26 Juni 2016

The telnet is one of the most useful networking commands, which is used to check if a server is listening on a particular port on the remote host, but it's a little bit tricky to use, especially, if you are not using it daily. Though I have used telnet before, but when I use it after a long time, I actually forget how to close the telnet terminal and how to get out of it. I tried every possible command I can think of which is used to close, cancel a command, or exit from VIM editor in UNIX, e.g. Ctrl + C, quit, exit, q! and even the escape character '^]', only to realize that nothing is working. I finally managed to come out from telnet command prompt after a bit of struggle, and trial and error but I was surprised how difficult it can be to use one of the top 10 networking commands in UNIX.
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