dev_mkdb(8)

dev_mkdb8

Create /dev database

Usage

dev_mkdb

Overview

The dev_mkdb command creates a db(3) hash access method database in “/var/run/dev.db” which contains the names of all of the character and block special files in the “/dev” directory, using the file type and the st_rdev field as the key.

Keys are a structure containing a mode_t followed by a dev_t, with any padding zero'd out. The former is the type of the file (st_mode & S_IFMT), the latter is the st_rdev field.

Files

/dev

Device directory.

/var/run/dev.db

Database file.

Releases

Unchanged in 163 releases since Mac OS X 10.0.

  1. 10.0–26.5

History

The dev_mkdb command appeared in 4.4BSD.

From diskdev_cmds 757 in macOS 26.5. Parsed by carta from the page's mdoc source.