mknod

Create block or character device special files. More information: https://www.gnu.org/software/coreutils/manual/html_node/mknod-invocation.html.

• Create a block device:

sudo mknod path/to/device_file b major_device_number minor_device_number

• Create a character device:

sudo mknod path/to/device_file c major_device_number minor_device_number

• Create a FIFO (queue) device:

sudo mknod path/to/device_file p

• Create a device file with default SELinux security context:

sudo mknod -Z path/to/device_file type major_device_number minor_device_number