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Followup to: <01b701c6818d$4bcd37b0$1800a8c0@dcccs> By author: =?iso-8859-2?Q?Haar_J=E1nos?= <djani22@netcenter.hu> In newsgroup: linux.dev.kernel > > Hello, list, > > I wish to know, how to send a "BREAK" to trigger the sysreq functions on the > serial line, using echo. > > I mean like this: > > #!/bin/bash > echo "?BREAK?" >/dev/ttyS0 > sleep 2 > echo "m" >/dev/ttyS0 > You can't use it using echo, however, you can do it using Perl: perl -e 'use POSIX; tcsendbreak(1,0);' > /dev/ttyS0 -hpa - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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