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

../
device/                                            02-Jul-2025 05:04                   -
power/                                             02-Jul-2025 19:23                   -
subsystem/                                         02-Jul-2025 05:04                   -
dev                                                03-Jul-2025 02:10                4096
uevent                                             02-Jul-2025 05:04                4096