Index of /sys/dev/char/4:15/subsystem/ttyS21/device/

../
driver/                                            05-Jan-2026 01:55                   -
power/                                             05-Jan-2026 02:00                   -
subsystem/                                         03-Jan-2026 12:02                   -
tty/                                               03-Jan-2026 17:32                   -
driver_override                                    05-Jan-2026 02:00                4096
modalias                                           05-Jan-2026 02:01                4096
uevent                                             05-Jan-2026 01:55                4096