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VHANGUP(8)		     The SuSE boot concept		    VHANGUP(8)

NAME
       Vhangup - Cause a virtually hangup on the specified terminals

SYNOPSIS
       vhangup [/dev/<terminal> [/dev/<terminal>]]

DESCRIPTION
       vhangup	simulates  a  hangup on the specified terminals.  Not existing
       device files or devices will be ignored.

EXAMPLES
       vhangup /dev/tty1 /dev/tty2 /dev/tty3 /dev/tty4 /dev/tty5 /dev/tty6 /dev/ttyS1

       This will replace all open file descriptors in the kernel  that	points
       to the listed ttys by a dummy that will deny further reading/writing to
       the device. It also send the signals SIGHUP/SIGCONT  to	the  processes
       which have file descriptors open on the listed ttys.

RETURN VALUE
       On success, zero is returned.  On error, 1 is returned.

SEE ALSO
       vhangup(2), tty(4), ttyS(4), pts(4).

COPYRIGHT
       2008 Werner Fink, 2008 SUSE LINUX Products GmbH, Germany.

AUTHOR
       Werner Fink <werner@suse.de>

3rd Berkeley Distribution	 Jan 31, 2008			    VHANGUP(8)

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