Index of /sys/dev/char/4:66/device/tty/ttyS4/subsystem/tty21/

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power/                                             22-Oct-2025 11:34                   -
subsystem/                                         22-Oct-2025 10:55                   -
dev                                                22-Oct-2025 11:33                4096
uevent                                             22-Oct-2025 11:28                4096