Index of /sys/dev/char/4:81/device/driver/serial8250/tty/ttyS15/subsystem/tty21/

../
power/                                             01-Jan-2026 01:01                   -
subsystem/                                         01-Jan-2026 00:50                   -
dev                                                01-Jan-2026 01:02                4096
uevent                                             01-Jan-2026 01:02                4096