Index of /sys/dev/char/4:69/device/driver/serial8250/tty/ttyS20/subsystem/tty21/

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power/                                             19-Oct-2025 17:26                   -
subsystem/                                         19-Oct-2025 18:55                   -
dev                                                19-Oct-2025 19:27                4096
uevent                                             19-Oct-2025 19:27                4096