![]() This is not a signal in the unix sense: when an application is reading from the terminal and the user presses Ctrl+D, the application is notified that the end of the file has been reached (just like if it was reading from a file and had passed the last byte). ![]() So what happened there? Basically when you want to end the file or the input you send the keyword Ctrl+D, when typed at the start of a line on a terminal, signifies the end of the input. catĬat as you might have guessed or know already is to con-cat-enate things, when used in conjunction with the shell redirections it can do a lot of powerful things but it’s often used when it’s not needed due to that, let’s see some examples. In this article we will see how to use cat, netcat and socat at least some basic examples and why do we have so many cats…Īlso sorry for the awful recordings, but couldn’t figure out why it looks so bad with tmux.
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