YOS OPENSONAR

  2. >
  3. freebsd
  4. >
  5. man
  6. >
  7. en
  8. >
  9. man4
  2. >
  3. freebsd
  4. >
  5. man
  6. >
  7. en
  8. >
  9. man4
EN JA
NULL(4)
NULL(4) FreeBSD Kernel Interfaces Manual NULL(4)

NAME

null — the null device

DESCRIPTION

The null device accepts and reads data as any ordinary (and willing) file - but throws it away. The length of the null device is always zero.

FILES

/dev/null

SEE ALSO

zero(4)

HISTORY

A null device appeared in Version 7 AT&T UNIX.
June 5, 1993 FreeBSD