tldr/pages/linux/mknod.md

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}}