Index of /sys/dev/char/4:12/subsystem/ttyS7/subsystem/tty21/

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power/                                             15-Dec-2025 15:12                   -
subsystem/                                         15-Dec-2025 15:10                   -
dev                                                15-Dec-2025 15:12                4096
uevent                                             15-Dec-2025 15:12                4096