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i read about \a escape character. its description tells that it is basically used for alert or BEL can anyone tell me that is it creates some sound effect? or please tell me any command that makes CPU to beep a sound

please tell me its necessary for me

Thanx in advanced

Bhushan Ahire
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    Possible duplicate of [In a bash script/command how can I make a PC beep noise, or play a sound file?](http://stackoverflow.com/questions/1143386/in-a-bash-script-command-how-can-i-make-a-pc-beep-noise-or-play-a-sound-file) – Matt Jan 12 '16 at 10:54

1 Answers1

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it echoes ASCI code 7:

$ echo -n $'\a' > file
$ od file
0000000 000007
0000001
mauro
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