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

../
device/                                            08-Feb-2025 03:01                   -
power/                                             04-May-2025 17:43                   -
subsystem/                                         04-May-2025 17:49                   -
dev                                                04-May-2025 17:49                4096
uevent                                             04-May-2025 17:49                4096