MKNOD(1) User Commands MKNOD(1)
NAME
mknod - make block or character special files
SYNOPSIS
mknod [OPTION]... NAME TYPE [MAJOR MINOR]
DESCRIPTION
Create the special file NAME of the given TYPE.
Mandatory arguments to long options are mandatory for short options
too.
-m, --mode=MODE
set file permission bits to MODE, not a=rw - umask
-Z set the SELinux security context to default type
--context[=CTX]
like -Z, or if CTX is specified then set the SELinux or SMACK
security context to CTX
--help display this help and exit
--version
output version information and exit
Both MAJOR and MINOR must be specified when TYPE is b, c, or u, and
they must be omitted when TYPE is p. If MAJOR or MINOR begins with 0x
or 0X, it is interpreted as hexadecimal; otherwise, if it begins with
0, as octal; otherwise, as decimal. TYPE may be:
b create a block (buffered) special file
c, u create a character (unbuffered) special file
p create a FIFO
NOTE: your shell may have its own version of mknod, which usually su-
persedes the version described here. Please refer to your shell's doc-
umentation for details about the options it supports.
AUTHOR
Written by David MacKenzie.
REPORTING BUGS
GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
Report any translation bugs to <https://translationproject.org/team/>
COPYRIGHT
Copyright © 2023 Free Software Foundation, Inc. License GPLv3+: GNU
GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
SEE ALSO
mknod(2)
Full documentation <https://www.gnu.org/software/coreutils/mknod>
or available locally via: info '(coreutils) mknod invocation'
GNU coreutils 9.4 June 2025 MKNOD(1)
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