Index of /sys/dev/char/4:77/device/tty/ttyS1/subsystem/tty21/

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power/                                             31-Dec-2025 01:03                   -
subsystem/                                         30-Dec-2025 23:54                   -
dev                                                31-Dec-2025 01:16                4096
uevent                                             31-Dec-2025 01:03                4096