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Diffstat (limited to 'man4/null.4')
| -rw-r--r-- | man4/null.4 | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/man4/null.4 b/man4/null.4 deleted file mode 100644 index 0d59e4f..0000000 --- a/man4/null.4 +++ /dev/null @@ -1,52 +0,0 @@ -.\" Copyright (c) 1993 Michael Haardt (michael@moria.de), -.\" Fri Apr 2 11:32:09 MET DST 1993 -.\" -.\" SPDX-License-Identifier: GPL-2.0-or-later -.\" -.\" Modified Sat Jul 24 17:00:12 1993 by Rik Faith (faith@cs.unc.edu) -.TH null 4 2023-10-31 "Linux man-pages 6.7" -.SH NAME -null, zero \- data sink -.SH DESCRIPTION -Data written to the -.I /dev/null -and -.I /dev/zero -special files is discarded. -.P -Reads from -.I /dev/null -always return end of file (i.e., -.BR read (2) -returns 0), whereas reads from -.I /dev/zero -always return bytes containing zero (\[aq]\e0\[aq] characters). -.P -These devices are typically created by: -.P -.in +4n -.EX -mknod \-m 666 /dev/null c 1 3 -mknod \-m 666 /dev/zero c 1 5 -chown root:root /dev/null /dev/zero -.EE -.in -.SH FILES -.I /dev/null -.br -.I /dev/zero -.SH NOTES -If these devices are not writable and readable for all users, many -programs will act strangely. -.P -Since Linux 2.6.31, -.\" commit 2b83868723d090078ac0e2120e06a1cc94dbaef0 -reads from -.I /dev/zero -are interruptible by signals. -(This change was made to help with bad latencies for large reads from -.IR /dev/zero .) -.SH SEE ALSO -.BR chown (1), -.BR mknod (1), -.BR full (4) |