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Linux 2.6 - man page for lsblk (linux section 8)

LSBLK(8)										 LSBLK(8)

NAME
       lsblk - list block devices

SYNOPSIS
       lsblk [options]

       lsblk [options] device...

DESCRIPTION
       lsblk  lists information about all or the specified block devices. The lsblk command reads
       the sysfs filesystem to gather information.

       The command prints all block devices (except RAM disks) in a tree-like format by  default.
       Use lsblk --help to get a list of all available columns.

OPTIONS
       -a, --all
	      List all block devices.

       -b, --bytes
	      Print the SIZE column in bytes rather than in human-readable format.

       -d, --nodeps
	      Don't print device holders or slaves.  For example "lsblk --nodeps /dev/sda" prints
	      information about the sda device only.

       -e, --exclude list
	      Exclude the devices specified by a comma-delimited list of  major  device  numbers.
	      Note that RAM disks (major=1) are excluded by default.

       -f, --fs
	      Output	info   about   filesystems.    This   option   is   equivalent	 to   "-o
	      NAME,FSTYPE,LABEL,MOUNTPOINT".  The authoritative information about filesystems and
	      raids is provided by the blkid(8) command.

       -h, --help
	      Print a help text and exit.

       -i, --ascii
	      Use ascii characters for tree formatting.

       -m, --perms
	      Output  info  about device owner, group and mode.  This option is equivalent to "-o
	      NAME,SIZE,OWNER,GROUP,MODE".

       -l, --list
	      Use the list output format.

       -n, --noheadings
	      Do not print a header line.

       -o, --output list
	      Specify which output columns to print.  Use --help to get a list of  all	supported
	      columns.

       -r, --raw
	      Use the raw output format.

       -t, --topology
	      Output  info  about  block  device  topology.   This  option  is	equivalent to "-o
	      NAME,ALIGNMENT,MIN-IO,OPT-IO,PHY-SEC,LOG-SEC,ROTA,SCHED".

AUTHORS
       Milan Broz <mbroz@redhat.com>
       Karel Zak <kzak@redhat.com>

SEE ALSO
       findmnt(8), blkid(8), ls(1)

AVAILABILITY
       The lsblk command is part of the util-linux package and is available  from  ftp://ftp.ker-
       nel.org/pub/linux/utils/util-linux/.

Version 1.0				     Apr 2010					 LSBLK(8)


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