redhat man page for blockdev

Query: blockdev

OS: redhat

Section: 8

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

BLOCKDEV(8)						      System Manager's Manual						       BLOCKDEV(8)

NAME
blockdev - call block device ioctls from the command line
SYNOPSIS
blockdev [options] commands devices
DESCRIPTION
The utility blockdev allows one to call block device ioctls from the command line.
OPTIONS
-V Print version and exit. -q Be quiet. -v Be verbose.
COMMANDS
--setro Set read-only. --setrw Set read-write. --getro Get read-only. Print 1 if the device is read-only, 0 otherwise. --getss Print sectorsize in bytes - usually 512. --getsize Print device capacity (in 512-byte sectors). --setra N Set readahead to N 512-byte sectors. --getra Print readahead (in 512-byte sectors). --flushbufs Flush buffers. --rereadpt Reread partition table. May 2000 BLOCKDEV(8)
Related Man Pages
raw(8) - redhat
rawdevices(8) - centos
blockdev(8) - linux
blockdev(8) - suse
blockdev(8) - mojave
Similar Topics in the Unix Linux Community
Blockdev vs /sys/block/