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What command does Ctrl+C execute?

I want to create a shortcut in Ubuntu which would open new tab and search for selected text in Firefox. For example, if I get some error I would select it press the shortcut and the new search would be opened.

I would add shortcut through Settings -> Keyboard Shortcuts.
I know that I can open new tab through:

firefox --new-tab --url about:newtab

What I do not know is how to copy selected text or in other words what command does Ctrl+C execute? And how do I combine them?

Thanks!

Ask Ubuntu Asked on November 11, 2021

1 Answers

One Answer

Ctrl+C doesn't actually run any command. It sends SIGINT, i.e., Interrupt signal to the process running in foreground.

From Signal (IPC) - Wikipedia:

SIGINT

       The SIGINT signal is sent to a process by its controlling terminal when a user wishes to interrupt the process. This is typically initiated by pressing Ctrl+C, but on some systems, the "delete" character or "break" key can be used.

If you want to copy text from terminal, you should use Ctrl+Shift+C.

Answered by yfluK on November 11, 2021

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