wikipedia:pts
lsof /dev/pts/*
umount /dev/pts
mount devpts /dev/pts -t devpts
ref: https://stackoverflow.com/a/43870316
See also[edit]
tmux [ ls | a | new ], .tmux.conf, tlog, cockpit- Serial, tty, minicom, screen, PuTTY (plink),
getty, agetty, usb-devices, usbserial, PTY, pts, minicom, screen, RequestTTY, stty, virsh ttyconsole, stty sane, Unable to use a TTY, tty:
