>From: Joao Carlos Mendes Luis <jonny@mailhost.coppe.ufrj.br>
>Date: Tue, 15 Oct 1996 10:59:59 -0200 (EDT)
>
>#define quoting(Dante Profeta)
>// Hi all,
>// I've to emit a series of 'beeps', put I cannot use printf("%c\n",0x07);
>// 
>// Is there a system function to produce a beep?
>
>echo "CDEFGAB" > /dev/speaker

/dev/speaker only exists on the i386, AFAIK.  And the driver isn't
enabled by default, so even i386 systems probably don't have it.

Try this instead:

/usr/bin/tput bl
-- 
Mike Long <mike.long@analog.com>     <URL:http://www.shore.net/~mikel>
VLSI Design Engineer         finger mikel@shore.net for PGP public key
Analog Devices, CPD Division          CCBF225E7D3F7ECB2C8F7ABB15D9BE7B
Norwood, MA 02062 USA       (eq (opinion 'ADI) (opinion 'mike)) -> nil