What: /sys/class/tty/console/active Date: Nov 2010 Contact: Kay Sievers <kay.sievers@vrfy.org> Description: Shows the list of currently configured console devices, like 'tty1 ttyS0'. The last entry in the file is the active device connected to /dev/console. The file supports poll() to detect virtual console switches. What: /sys/class/tty/tty0/active Date: Nov 2010 Contact: Kay Sievers <kay.sievers@vrfy.org> Description: Shows the currently active virtual console device, like 'tty1'. The file supports poll() to detect virtual console switches.