How to Delete One Word in Terminal

Every day working with Terminal, we need a lot of shortcut to speed up our task. One of my frequently used shortcut is deleting one word in the left side of cursor:

Alt + Backspace

Enjoy!

How to Delete One Line in Vim

This is the way I delete one line in Vim

:d

Enjoy!

[Ubuntu] How to Launch Network Proxy Properties in Terminal

I want to bypass System*Preferences*Network Proxy by using a command line interface in Terminal. After hacking Ubuntu Alt+F2 and command completion in Terminal for a while, I found the way how to launch Network Proxy Properties in Terminal. Here is the command line:

$ gnome-network-properties

Enjoy!