Index of /sys/dev/char/21:0/

../
device/                                            12-Aug-2025 01:44                   -
power/                                             01-Sep-2025 00:16                   -
subsystem/                                         31-Aug-2025 23:05                   -
dev                                                01-Sep-2025 00:19                4096
uevent                                             01-Sep-2025 00:19                4096