mknod

mknod creates a FIFO, character special file, or block special file with the specified NAME.

• GNU Coreutils Project Homepage [EN]

• GNU Coreutils [EN] @ Fedora Package
• GNU Coreutils [EN] @ Homebrew Formula

Documentation

• mknod [EN] @ GNU Coreutils Manual

• man 1 'mknod' [EN]

Syntax

mknod [PARAMETER ...] NAME TYPE [MAJOR MINOR]

Types

b

for a block special file

c

for a character special file

p

for a FIFO

Parameters

-m MODE, --mode=MODE

Set the MODE of created files to mode, which is symbolic as in chmod and uses a=rw as the point of departure. MODE should specify only file permission bits.

-Z CONTEXT, --context=CONTEXT

Without a specified CONTEXT, adjust the SELinux security context according to the system default type for destination files, similarly to the restorecon command. The long form of this option with a specific CONTEXT specified, will set the context for newly created files only.

Examples

Create a node for sda8

mknod '/dev/sda8' 'b' 3 8
ls -l '/dev/sda8'

Output:

brw-r--r--. 1 root root 3, 8 2010-08-30 20:11 /dev/sda8