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Interesting! Thanks
Authored by: zhell on Apr 08, '10 03:12:20PM

Press Ctrl-C

This shortcut in general quits the running application in Terminal and gives you back the shell prompt. To accomplish this, it sends a signal called SIGINT, for "interrupt", to the application.

Programs may choose to ignore some signals though. In such a case they can still be terminated by other signals:
1. possibly SIGTERM ("terminate") is sufficient; otherwise
2. SIGKILL always works.

Sending arbitrary signals to a program is done with the "kill" command. See "man kill".

Note that sending a SIGTERM or SIGKILL to the wrong process, e.g. your Pages application, will irrevocably terminate it immediately without asking if you want to save your work.

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