Character devices: 1 mem 4 /dev/vc/0 4 tty 4 ttyS 5 /dev/tty 5 /dev/console 5 /dev/ptmx 5 ttyprintk 7 vcs 10 misc 13 input 21 sg 29 fb 89 i2c 108 ppp 128 ptm 136 pts 180 usb 189 usb_device 204 ttyMAX 226 drm 231 infiniband_verbs 234 infiniband_verbs 235 mei 236 ipmidev 237 aux 238 cec 239 lirc 240 megaraid_sas_ioctl 241 ttyDBC 242 vfio 243 bsg 244 watchdog 245 remoteproc 246 ptp 247 pps 248 rtc 249 dma_heap 250 dax 251 dimmctl 252 ndctl 253 tpm 254 gpiochip 511 bmsensor_dev Block devices: 7 loop 8 sd 9 md 11 sr 65 sd 66 sd 67 sd 68 sd 69 sd 70 sd 71 sd 128 sd 129 sd 130 sd 131 sd 132 sd 133 sd 134 sd 135 sd 253 device-mapper 254 mdp 259 blkext